PDS_VERSION_ID = PDS3 OBJECT = REFERENCE REFERENCE_KEY_ID = "FEIERBERGETAL1985" REFERENCE_DESC = "Feierberg, M.A., L.A. Lebofsky, and D.J. Tholen 1985. The nature of C-class asteroids from 3-micron spectrophotometry. Icarus 63, 183-191." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "JONESETAL1990" REFERENCE_DESC = "Jones, T.D., L.A. Lebofsky, J.S. Lewis, and M.S. Marley 1990. The composition and origin of the C, P, and D asteroids: Water as a tracer of thermal evolution in the outer belt. Icarus 88, 172-192." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "LEBOFSKY1980" REFERENCE_DESC = "Lebofsky, L.A. 1980. Infrared reflectance spectra of asteroids: A search for water of hydration. Astron. J. 85, 573-585." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "LEBOFSKYETAL1990" REFERENCE_DESC = "Lebofsky, L.A., T.D. Jones, P.D. Owensby, M.A. Feierberg, and G.J. Consolmagno 1990. The nature of low-albedo asteroids from 3-micron multi-color photometry. Icarus 83, 16-26." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "LUKAC&MILLER2000" REFERENCE_DESC = "Lukac, M. R., and R. J. Miller. List of Active Professional Observatories. United States Naval Observatory Circular No. 178. Washington DC, 2000. " END_OBJECT = REFERENCE END