Louis M. Barbier

Present Position

Astrophysicist, Astroparticle physics Branch
GSFC Exploration of the Universe Division
and
Universe Theme Technologist

Research Areas

Origin and evolution of galactic cosmic rays and the study of particle acceleration and transport within the solar system. Measurements of antimatter component of cosmic rays and searches for dark matter. Study of gamma-ray bursts.

Design and testing of new instruments for gamma ray detection and imaging and cosmic ray measurements.

Education

1987 PhD Louisiana State University
1983 MS Louisiana State University
1979 BS Loyola University

Professional Society Memberships

American Physical Society
Sigma Pi Sigma (Physics Honor Society) (Past President of the Loyola Chapter)
American Geophysical Union
Institute of Electrical and Electronics Engineers (IEEE)

Principal Investigator

Measurement of the Atmospheric UV Nightglow from a High Altitude Balloon (NIGHTGLOW)
OWLet: A study of cosmic-ray anisotropy at 10^18 eV
Advanced Silicon Detector Designs for Space Flight Applications (1995-96 GSFC Directors Discretionary Fund)

GSFC Study Scientist

Extremely Heavy Cosmic-ray Composition Observatory (ECCO)

GSFC Deputy Study Scientist

The Advanced Cosmic-ray Composition Experiment for the Space Station (ACCESS)

NASA Deputy Project Scientist for the Ballooning Sub-Orbital Program

GSFC Projects

NIGHTGLOW
SWIFT Burst Alert Telescope (BAT)
Energetic Particle Acceleration, Composition and Transport Experiment (EPACT)
Positron Electron Magnet Spectrometer (POEMS)
Isotope Matter Antimatter Experiment (IMAX)
The Isotope Magnet Experiment (ISOMAX)
A Large Isotopic Composition Experiment (ALICE)
A Trans-Iron Galactic Element Recorder (TIGER)

Service

Cosmic and Heliospheric Learning Center "Ask a Physicist"
Naval Research Labs, ATIC Project external review panel
Univ. of Delaware, Bartol Research Institute, external member, PhD Dissertation committee
NASA/GSFC Combined Federal Campaign (CFC) key worker

AWARDS

2005 Special Act Award for the Swift Science Team
2002 Special Act Award for HNX (the Heavy Nucleus Explorer)
2000 Group Achievement Award for SWIFT MIDEX Team
1999 Special Act Award for Nightglow
1994, 1996 GSFC Performance Award
1996 Special Act Achievement Award for BASIS
1995 NASA Academy Award
1994 Special Act LHEA PEER Award
1992 NASA Group Achievement Award for EPACT

PUBLICATIONS IN REFEREED JOURNALS

Publications in Refereed Journals:
  1. "The First Localization of a short gamma-ray burst by Swift", Gehrels, N., Barbier, L. M., Barthelmy, S. D., et al., submitted to Nature, May 27, 2005
  2. "Gamma Ray Observations of a Giant Flare from the SGR 1806-20", Palmer, D. M., Barthelmy, S. D., Gehrels, N., et al., Letters to Nature, 28APR2005, 1107.
  3. "NIGHTGLOW: An Instrument to Measure the Earth's Nighttime Ultraviolet Glow - Results from the first Engineering Flight", Barbier, L. M., Smith, R., Murphy, S., et al., 2004 Astroparticle Physics, 22(5-6), 439.
  4. "The Swift Gamma Ray Burst Mission", Gehrels, N., Chincarini, G., Giommi, P., et al., 2004 ApJ, 611, 1105.
  5. "Observing the Ultrahigh Energy Universe with OWL Eyes", Stecker, F. W., Krizmanic, J. F., Barbier, L. M., et al., 2004 Nucl. Physics B, 136C, 433.
  6. "PoGO: the Polarized Gamma-ray Observer", Larsen, S, et al., NIM A, submitted, October 2004.
  7. "Large-Area Balloon Borne Gamma Ray Observer (PoGO)", Blandford, R., et al., IEEE Trans. Nucl. Sci, in press, 2004.
  8. "Abundance of the Radioactive 10Be in the Cosmic Radiation up to 2 Gev per nucleon with the balloon-borne instrument ISOMAX1998", Hams, T., Barbier, L. M., Bremerich, M., et al., 2004 ApJ, 661, 892.
  9. "Co/Ni Ratio in the Galactic Cosmic Rays between 0.8 and 4.3 GeV/nucleon", Sposato, S. H., Barbier, L. M., Binns, W. R., et al., 2000, AIP Conference Proceedings vol 528, editors R. A. Mewaldt, J. R. Jokippi, M. A. Lee, and T. H. Zirbuchen, page 473ff.
  10. "The Absolute Flux of Protons and Helium at the Top of the Atmosphere using IMAX", Menn, W., Hof, M., Reimer, O., et. al., 2000, ApJ, 533(1), 281.
  11. "CdZnTe and CdTe Detector Arrays for Hard X-Ray and Gamma-Ray Astronomy", Stahle, C. M., Parker, B. H., Parsons, A. M., et al., 1999, Nucl. Inst. and Methods 436A, 138.
  12. "Large Area scintillating fiber time-of-flight hodoscope detectors for particle astrophysics experiments", D. J. Lawrence, L. M. Barbier, J. J. Beatty, et al., 1999, Nucl. Inst. and Methods A, 420, 402.
  13. "XA Readout Chip Characteristics and CdZnTe Spectral Measurements", L. M. Barbier, F. Birsa, J. Odom, et al., 1999,IEEE Trans. on Nucl. Sci., vol. 46(1), 7.
  14. "The POEMS Strip Detector ASIC Chip", Barbier, L. M., Karageorge, E., and Singh, S., 1998, Nucl. Inst. and Methods A, 417,354-359.
  15. "The Cosmic Ray 3He/4He Ratio From 200 MeV/nucleon to 3.7 GeV/nucleon", O. Reimer, W. Menn, M. Hof, et al., 1998, ApJ, 496, 490.
  16. "Performance of a Prototype Segmented CdZnTe Arrays", Parsons, A.M., Palmer, D., Kurczynski, P., et al., 1998, Material Research Society, 487.
  17. "Fabrication of CdZnTe Strip Detectors for Large Area Arrays", Stahle, C.M., Shi, Z.Q., Hu, K, et al., 1998, Material Research Society, 487.
  18. "Energy Spectra of Ions Accelerated in Impulsive and Gradual Solar Events",Reames, D. V., Barbier, L. M., von Rosenvinge, T. T., Mason, G. M., Mazur, J. E., and Dwyer, J. R., 1997, ApJ, 483, 515.
  19. "CZT Strip Detectors for Imaging and Spectroscopy: Collimated Beam and ASIC Readout Experiments", Kurczynski, P., Krizmanic, J. F., Stahle, C. M, et al. 1997 IEEE Trans. Nuc. Sci., 44, 1011.
  20. "Measurement of 0.2 - 3.2 GeV antiprotons in the cosmic radiation", Mitchell, J. W., Barbier, L. M., Christian, E. R., et al., 1996 PRL 76, 3057.
  21. "WIND/EPACT Observations of Anomalous Cosmic Rays", Reames, D. V., Barbier, L. M., and von Rosenvinge, T. T., 1997 Adv. Space Res.,19, 809.
  22. "CdZnTe Detectors for Gamma-ray Burst Arc Second Imaging and Spectroscopy", Stahle, C. M., Palmer, D., et al., 1996, NIM 380A, 486.
  23. "The Spatial Distribution of Particles Accelerated by CME Driven Shocks", Reames, D. V., Barbier, L. M., and Ng, C. K., 1996, ApJ 466, 473.
  24. "The EPACT Experiment", von Rosenvinge, T. T., et al. 1994, Space Sciences Review 71, 155.
  25. "Isotopic Composition of Silicon and Iron in the Galactic Cosmic Radiation", Hesse, A., et al., 1995, A&A 314, 785.
  26. "Performance of Drift Chambers in a Magnetic Rigidity Spectrometer for Measuring the Cosmic Radiation", Hof, M., et al., 1994, NIM A345, 561.
  27. "Corotating MeV/amu Ion Enhancements at < 1 AU from 1978 to 1986", Richardson, I. G., Barbier, L. M. Reames, D. V. and von Rosenvinge, T. T. 1993, JGR 98, 12.
  28. "The ALICE Instrument and the measured cosmic ray elemental abundances", Esposito, J. A., et al., 1992, Astroparticle Physics, 1, 33.
  29. "On the Differences in Element Abundances of Energetic Ions From Corotating Events and From Large Solar Events", Reames, D. V., Richardson, I. G., and Barbier, L. M. 1991, Ap. J. Letters, 382, L43.
  30. "Nucleus-Nucleus Interactions at 14.6, 60, and 200 GeV/n", Barbier, L. M. et al. 1989, Nuclear Physics A498, 535.
  31. "Evidence for Intermittent Patterns of Fluctuations in Particle Production in High Energy Interactions in Nuclear Emulsion", Holynski, R., et al. 1989, PRL 62(7), 733.
  32. "Central Collisions of 800 GeV Protons with Ag and Br Nuclei", Barbier, L. M., et al. 1989, PRD 39(1), 86.
  33. "Single and Multiparticle Analysis of Nucleus-Nucleus Collisions and 14.6, 60, and 200 GeV/n" , von Gersdorff, H., Amundson, J., et al. 1989, PRC 39(4), 1385.
  34. "Correlations Among Particles Produced in Proton Interactions with Emulsion Nuclei at 800 GeV", Barbier, L. M., Jones, W. V., et al. 1988, PRD 37(5), 1113.
  35. "Central Collisions of 14.6, 60, and 200 GeV/n 16O Nuclei in Nuclear Emulsion", Barbier, L. M., et al. 1988, PRL 60(5), 405.
  36. "Charged Particle Multiplicity and Angular Distributions in Proton Emulsion Interactions at 800 GeV", Abduzhamilov, A., Barbier, L. M., et al. 1987, PRD 35, 3537.
  37. "Interactions of 800 GeV Protons from Fermilab with Emulsion Nuclei", Abdurazakova, Y. A., et al. 1987, Acta Phys. Pol. B18, 249.

CONFERENCE PAPERS

Conference Proceedings:
  1. "Measurements of the Ultra-Heavy Galactic Cosmic-ray Abundances between Z=30 and Z=40 with the TIGER Instrument", J. T. Link, L. M. Barbier, W. R. Binns, et al., Proceedings of the 28th ICRC, 2003 Tsukba, Japan.
  2. "Detection of Large Solar Particle Event at Balloon Altitudes during the 2001 - 2002 TIGER Flight", S. Geier, L. M. Barbier, W. R. Binns, et al., Proceedings of the 28th ICRC, 2003 Tsukba, Japan.
  3. " The 7Li/6Li ratio in the energy range from 150 to 1300 MeV/nucleon measured with the balloon-borne ISOMAX98 instrument in the upper atmosphere", H. Gobel, L. M. Barbier, M. Bremerich, et al., Proceedings of the ICRC 2001, Hamburg, Germany.
  4. " A Measurement of the 10Be/9Be Ratio above 1.0 GeV/nucleon: Results from the 1998 Flight of ISOMAX", G. A. de Nolfo, L. M. Barbier, M. Bremerich, et al., Proceedings of the ICRC 2001, Hamburg, Germany.
  5. " 10Be/9Be ratio up to 1.0 GeV/nucleon measured in the ISOMAX98 balloon flight", T. Hams, L. M. Barbier, M. Bremerich, et al., Proceedings of the ICRC 2001, Hamburg, Germany.
  6. " Simulated Performance of the Orbiting Wide-angle Light Collectors (OWL) Experiment", J. F. Krizmanic and the OWL Collaboration, Proceedings of the ICRC 2001, Hamburg, Germany.
  7. " Measuring the Abundances of Ultra-Heavy Galactic Cosmic Rays Through Ultra Lond Duration Ballooning", J. T. Link, L. M. Barbier, W. R. Binns, et al., Proceedings of the ICRC 2001, Hamburg, Germany.
  8. " ECCO: Th/U/Pu/Cm Dating of Galactic Cosmic Ray Nuclei", A. J. Westphal, B. A. Weaver, M. Solarz, et al., Proceedings of the ICRC 2001, Hamburg, Germany.
  9. " The Heavy Nuclei explorer (HNX) Mission", W. R. Binns, J. H. Adams, L. M. Barbier, et al., Proceedings of the ICRC 2001, Hamburg, Germany.
  10. " The PAMELA Experiment", P. Spillantini for the PAMELA Collaboration, Proceedings of the ICRC 2001, Hamburg, Germany.
  11. " The Transition Radiation Detector for the PAMELA experiment", M. Ambriola for the Pamela Collaboration, Proceedings of the ICRC 2001, Hamburg, Germany.
  12. "Design and Fabrication of CdZnTe & CdTe Block Detectors into Large Area High Density Spaceflight Arrays", Barthelmy, S. D., et. al., 1999, IEEE NSS/MIC, October 24, Seattle, Washington.
  13. "The Earth's NUV Nightglow", L. M. Barbier, the OWL Collaboration, 1999, XXVI ICRC, vol. 4.1, 1, Salt Lake City, Utah.
  14. "In-Flight Performance of the ISOMAX TOF", S. Geier, L. M. Barbier, M. Bremerich, et al., 1999, XXVI ICRC, vol. OG1.1, 52, Salt Lake City, Utah.
  15. "Cosmic Ray Isotope Measurements Using Cherenkov-Rigidity Technique in ISOMAX",, G. A. de Nolfo, L. M. Barbier, M. Bremerich, et al., 1999, XXVI ICRC, vol. OG1.1, 56, Salt Lake City, Utah.
  16. "The ISOMAX Rigiditiy Spectrometer", T. Hams, L. M. Barbier, M. Bremerich, et al., 1999, XXVI ICRC, vol. OG1.1, 60, Salt Lake City, Utah.
  17. "ISOMAX: Flight Performance of the Isotope Magnet Experiment", J. W. Mitchell, L. M. Barbier, M. Bremerich, et al., 1999, XXVI ICRC, vol OG1.1, 64, Salt Lake City, Utah.
  18. "The Trans-Iron Galactic Element Recorder (TIGER): A Balloon-Borne Cosmic-Ray Experiment", S.H. Sposato, L. M. Barbier, W. R. Binns, et al., 1999, XXVI ICRC, vol. OG4.1, 68, Salt Lake City, Utah.
  19. "The Trans-Iron Galactic Element Recorder for the Ultra-Long Duration Balloon Project Demo 2000", J. T. Link, L. M. Barbier, W. R. Binns, et al., 1999, XXVI ICRC, vol. 4.1, 72, Salt Lake City, Utah.
  20. "The Charge (Z) Identification Module (ZIM) for an Instrument Calibration Using 10.6 GeV/nucleon 79Au", J. R. Cummings, J. H. Adams, L. M. Barbier, et al., 1999, XXVI ICRC, vol. 4.2, 76, Salt Lake City, Utah.
  21. "Ultra-Heavy (Z>30) Galactic Cosmic-Ray Nuclei and the ACCESS Charge (Z) Identification Module (ZIM)", W. R. Binns, et al., Topics in Astrophysics, Ed. M. DuVernois, 1999.
  22. "Ultra Heavy (Z>30) and Heavy (10<=Z<=30) Cosmic-Ray Measurements on ACCESS with the Charge (Z) Identification Module (ZIM)",W. R. Binns, et al., AIP Conference Proceedings 458, Space Technology and Applications International Forum (STAIF) 1999, page 251.
  23. " The Response of Particle Detectors to Gold Nuclei at 11 GeV/nucleon", M. E. Wiedenbeck, L. M. Barbier, W. R. Binns, et al., 1997, XXV ICRC, vol.3,365 Durban, South Africa.
  24. "Measurement of the Absolute Proton and Helium Flux at the Top of the Atmosphere Using IMAX",W. Menn, L. M. Barbier, E. R. Christian, et al., 1997, XXV ICRC, vol. 3, 409, Durban, South Africa.
  25. "A Gamma-ray Burst Polarimeter Study",T. L. Cline, L. M. Barbier, et al., 1997, XXV ICRC, vol. 5, 25, Durban, South Africa.
  26. "Status of the Pamela Experiment for the Study of Cosmic Antimatter in Space", O. Adriani, M. Ambriola, G. Barbiellini, et al., 1997, XXV ICRC, vol. 5, 49, Durban, South Africa.
  27. "An Experiment to Measure the Elemental Abundances of Ultra-Heavy Cosmic Rays", W. R. Binns, P. L. Hink, et al., 1997, XXV ICRC, vol. 5, 65, Durban, South Africa.
  28. "Position Resolution of Prototype Segmented CdZnTe Arrays", Parsons, A.M., Palmer, D., Kurczynski, P., et al., 1997, SPIE Proceedings 3114, 422.
  29. "Arcsecond Source Positions With a Prototype BASIS Imaging System", Palmer, D.M., Parsons, A.M., Kurczynski, P., et al., 1997 SPIE Proceedings 3114, 341.
  30. "The BASIS Mission Concept for Gamma-ray Burst Imaging and Spectroscopy" , Gehrels, N., Teegarden, B., Barbier, L., et al., 1996, SPIE Proceedings 2806, 12.
  31. "Multispacecraft Studies of Coronal Mass Ejection Associated Energetic Particle Events", Barbier, L. M., Ng, C. K., and Reames, D. V., 1995, XXIV ICRC, vol 4, 365, Rome, Italy.
  32. "Cosmic Ray Antiproton Observations by the Isotope Matter Antimatter Experiment; 0.2 - 3.2 GeV", Mitchell, J. W., Barbier, L. M., Christian, E. R., et al. 1995, XXIV ICRC, vol 3, 72, Rome, Italy.
  33. "Cosmic Ray Antiproton Observations From 0.2 - 3.2 GeV", Labrador, A. W., Menn, W., Barbier, L. M., et al., 1995, XXIV ICRC, vol 3, 64, Rome, Italy.
  34. "The Cosmic Ray 3He/4He Ratio from 0.2 - 3.2 GeV/nucleon", Reimer, O., Barbier, L. M., Christian, E. R., et al., 1995, XXIV ICRC, vol 2, 618, Rome, Italy.
  35. "Interpretation of the Helium Isotope Ratios Measured by IMAX", Davis, A. J., Menn, W., Barbier, L. M., et al. 1995, XXIV ICRC, vol 2, 622, Rome, Italy.
  36. "Cosmic Ray Hydrogen Isotopes from 0,2 - 3.2 GeV/nucleon", Reimer, O., Davis, A. J., Barbier, L. M. et al. 1995, XXIV ICRC, vol 2, 614, Rome, Italy.
  37. "Measurement of the Cosmic Ray Induced Muon Flux through the Atmosphere using IMAX", Krizmanic, J. F., Davis, A. J., Barbier, L. M., et al. 1995, XXIV ICRC, vol 1, 593, Rome, Italy.
  38. "The EPACT Experiment", Barbier, L. M., Reames, D. V. and von Rosenvinge, T. T. 1993, XXIII ICRC, vol 3, 222, Calgary, Canada.
  39. "An On Board Particle Identification Algorithm for the WIND Spacecraft", von Rosenvinge, T. T., Barbier, L. M., and Reames, D. V., XXIII ICRC, vol 3, 400, Calgary, Canada.
  40. "Silica Aerogel Cherenkov Counters for the Iosotpe Matter-Antimatter Experiment", Labrador, A. W., et al. 1993, XXIII ICRC, vol 2, 524, Calgary, Canada.
  41. "Performance of a Magnetic Spectrometer for Measuring Cosmic Radiation Using Drift Chambers as Tracking Devices", Menn, W., et al. 1993, XXIII ICRC, vol 2, 548, Calgary, Canada.
  42. "High Altitude Time-of-Flight Search for Non-Weakly Interacting Dark Matter in Cosmic Rays", McGuire, P., et al. 1993, XXIII ICRC, vol 4, 621, Calgary, Canada.
  43. "ISOMAX, A Balloon-borne Instrument to Study Beryllium and Other Light Isotopes in the Cosmic Radiation", Streitmatter, R. E., et al., 1993 XXIII vol 2, 623, Calgary, Canada.
  44. "Accelerator Tests of a Position Sensitive Silicon Strip Detector", Barbier, L. M., et al., 1991, IEEE Nuclear Science Symposium, vol 2, 1163, Sante Fe, New Mexico.
  45. "MeV/n Ions Associated with Corotating High Speed Solar Wind Streams at < 1 AU During 1978 to 1986", Richardson, I. G., Barbier, L. M., Reames, D. V., and von Rosenvinge, T. T. 1991, XXII ICRC vol SH 4.2-4, Dublin, Ireland.
  46. "Evaluation of the Cosmic Ray Induced Background in Coded Aperature High Energy Gamma-Ray Telescopes", Owens, A., Barbier, L. M., Frye, G. and Jenkins, T. 1991, XXII ICRC, vol 1, 367, Dublin, Ireland.
  47. "The Isotopic Composition of Silicon and Iron in the Cosmic Radiation as Measured with the ALICE Experiment", Hesse, A., et al. 1991, XXII ICRC, vol OG5.1-7, Dublin, Ireland.
  48. "Preliminary Results on the Isotopic Composition of Cosmic Rays Measured with the Alice Experiment", Esposito, J. A., et al. 1990, XXI ICRC, vol OG 5.2-10, 51, Adelaide, Australia.
  49. "Experimental Limit on Low Energy Aniprotons in the Cosmic Radiations", Streitmatter, R. E., et al. 1990, XXI ICRC, vol OG 7.3-2, 277, Adelaide, Australia.
  50. "Background From Kaons in Antiproton Searches", Barbier, L. M. 1990, XXI ICRC, vol OG 7.3-7, 292, Adelaide, Australia.
  51. "Monte Carlo Simulations of the Astrogam Gamma Ray Astronomy Experiment - Energy and Angular Resolution", Barbier, L. M., Ormes, J. F., Streitmatter, R. E., Krombel, K. E., Tylka, A. J., Adams Jr, J. H. 1990, XXI ICRC, Adelaide, Australia.
  52. "Astrogam: Gamma Ray Astronomy with a Magnetic Rigidity Spectrometer", Adams Jr., J. H., Ahlen, S. P., Barbier, L. M., et al. 1990, XXI ICRC, vol OG10.1-18, 187, Adelaide, Australia.
  53. "A New Design for Micron Resolution Charged Particle Detectors", Barbier, L. M., Ormes, J. F., Streitmatter, R. E., Wrigley, C., and Storti, G. 1990, XXI ICRC, vol SH11.1-8, 224, Adelaide, Australia.
  54. "Positron Electron Magnet Spectrometer (POEMS) for the EoS Mission", Evenson, P. A., et al. 1990, XXI ICRC, vol OG7.2-7, 265, Adelaide, Australia.
  55. "ASTROMAG: Current Status and Capabilities", Barbier, L. M., Ormes, J. F., Christian, E. R., Smoot III, G. F. 1990, Proceedings of the Topical Seminar on Astrophysics and Particle Physics, San Miniato, Italy, Nuclear Physics B, 14B, 3.
  56. "Charged Particle Multiplicities in High energy Heavy Ion Collisions", Holynski, R., et al. 1988, Third International Conference on Nucleus-Nucleus Collisions, St. Malo, France.
  57. "Central Collisions of Protons from Fermilab with Heavy Nuclei in the Energy Range 200 - 800 GeV" ,Barbier, L. M., et al. 1987, XX ICRC,vol 5, 27, Moscow, USSR.
  58. "p-n Charge Exchange in Proton Nucleon and Proton Nucleus Interactions at p = 800 GeV/c", Barbier, L. M., et al. 1987, XX ICRC, vol 5, 50, Moscow, USSR.

Invited Lectures

Invited Lectures:
  1. Cornell University, "Balloon Science Research at NASA", NASA Balloon Science Workshop, Summer 2005
  2. Bartol Research Institute, University of Deleware, "Solid State Detectors and Applications in Astrophysics", Fall 2002
  3. University of Maryland, Dept. of Physics, "Near Ultraviolet Nightglow and Ultrahigh Energy Cosmic Rays", Fall 2002
  4. University of Maryland, Dept. of Physics, "The SWIFT BAT Gamma-ray Burst Instrument", Spring 2000
  5. San Miniato Topical Seminar on Astrophysics and Particle Physics, San Miniato Italy, "Astromag: Current Capabilities and Status", Summer 1989

Teaching

Teaching:
  1. University of Maryland, Fall 2003, Guest Lecturer on Special Relativity and Cosmology for undergraduate astronomy


This document is maintained by Louis Barbier, lmb@cosmicra.gsfc.nasa.gov.

Visit my home page for more information about ongoing projects.


A service of the Laboratory for High Energy Astrophysics (LHEA) at NASA's GSFC

  • Astronomy Questions? Ask a High Energy Astronomer.
  • NASA-specific Questions? Try the NASA Homepage
  • LHEA Web related Questions and Comments to: Karen Smale
  • Responsible NASA Official: Phil Newman

    Privacy, Security, Notices


    This file was last modified on Thursday, 09-Jun-2005 14:11:20 EDT
    This document was last modified: Thursday, 09-Jun-2005 14:11:20 EDT