PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = REFERENCE REFERENCE_KEY_ID = "ARVIDSONETAL1983" REFERENCE_DESC = "Arvidson, R.E., E.A. Guinness, H.J. Moore, J. Tillman, and S.D. Wall, Three Mars Years: Viking Lander 1 Imaging Observations, Science, 222, 463-468, 1983." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "ARVIDSONETAL1989" REFERENCE_DESC = "Arvidson, R.E., J.L. Gooding, and H.J. Moore, The martian surface as imaged, sampled, and analyzed by the Viking Landers, Rev. Geophys., 27, 39-60, 1989." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "COLBURNETAL1988" REFERENCE_DESC = "Colburn, D.S., J.B. Pollack, and R.M. Haberle, Diurnal variations in optical depth at Mars: Observations and interpretations, NASA Tech. Memo. TM 100057, 1988." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "GUINNESS1981" REFERENCE_DESC = "Guinness, E.A., Spectral properties (0.40 to 0.75 microns) of soils exposed at the Viking 1 landing site, J. Geophys. Res., 86, 7983-7992, 1981." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "GUINNESSETAL1987" REFERENCE_DESC = "Guinness, E.A., R.E. Arvidson, M.A. Dale-Bannister, R.B. Singer, and E.A. Bruckenthal, On the spectral reflectance properties of materials exposed at the Viking landing sites, J. Geophys. Res., 92, E575-E587, 1987." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "HAPKE1981" REFERENCE_DESC = "Hapke, B., Bi-directional reflectance spectroscopy, 1, Theory, J. Geophys. Res., 86, 3039-3054, 1981." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "HUCKETAL1975A" REFERENCE_DESC = "Huck, F.O., E.E. Burcher, E.J. Taylor, and S.D. Wall, Radiometric performance of the Viking Mars lander cameras, NASA Tech. Memo. TM X-72692, 1975." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "HUCKETAL1975B" REFERENCE_DESC = "Huck, F.O., H.F. McCall, W.R. Patterson, and G.R. Taylor, The Viking Mars lander camera, Space, Sci. Instr., 1, 189-241, 1975." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "HUCK&WALL1976" REFERENCE_DESC = "Huck, F.O., and S.D. Wall, Image quality prediction: An aid to the Viking Lander imaging investigation on Mars, Applied Optics, 15, 1748-1766, 1976." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "JONESETAL1981" REFERENCE_DESC = "Jones, K.L., M. Henshaw, C. McMenomy, A. Robles, P.C. Scribner, S.D. Wall, and J.W. Wilson, Viking Lander imaging investigation during extended and continuation automatic missions, NASA Reference Publication 1068, 2 vols., 1981." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "KIEFFERETAL1992" REFERENCE_DESC = "Kieffer, H.H, B.M. Jakosky, and C.W. Snyder, The planet Mars: From antiquity to the present, In Mars, Kieffer et al., eds., Univ. of Arizona Press, Tucson, 1992." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "LEIBES&SCHWARTZ1977" REFERENCE_DESC = "Liebes, S., and A.A. Schwartz, Viking 1975 Mars lander interactive computerized video stereophotogrammetry, J. Geophys, Res., 82, 4421-4429, 1977." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "LEIBES1982" REFERENCE_DESC = "Liebes, S., Viking Lander Atlas of Mars, NASA Contractor Report 3568, 1982." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "LEVINTHALETAL1977A" REFERENCE_DESC = "Levinthal, E.C., W. Green, K.L. Jones, and R. Tucker, Processing the Viking Lander camera data, J. Geophys. Res., 82, 4412-4420, 1977." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "LEVINTHALETAL1977B" REFERENCE_DESC = "Levinthal, E.C., K.L. Jones, P. Fox, and C. Sagan, Lander imaging as a detector of life on Mars, J. Geophys. Res., 82, 4468-4478, 1977." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "LEVINTHAL&JONES1980" REFERENCE_DESC = "Levinthal, E.C., and K.L. Jones, The mosaics of Mars as seen by the Viking Lander cameras, NASA Contractor Report 3326, 1980." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "LIEBES1982" REFERENCE_DESC = "Liebes, S., Viking Lander Atlas of Mars, NASA Contractor Report 3568, 1982." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "MOOREETAL1987" REFERENCE_DESC = "Moore, H.J., R.E. Hutton, G.D. Clow, and C.R. Spitzer, Physical properties of the surface materials at the Viking landings sites on Mars, USGS Professional Paper 1389, 1987." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "MUTCHETAL1972" REFERENCE_DESC = "Mutch, T.A., A.B. Binder, F.O. Huck, E.C. Levinthal, E.C. Morris, C. Sagan, and A.T. Young, Imaging experiment: The Viking Lander, Icarus, 16, 92-110, 1972." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "MUTCHETAL1976A" REFERENCE_DESC = "Mutch, T.A., A.B. Binder, F.O. Huck, E.C. Levinthal, S. Liebes, E.C. Morris, W.R. Patterson, J.B. Pollack, C. Sagan, and G.R. Taylor, The surface of Mars: The view from the Viking 1 Lander, Science, 193, 791-800, 1976." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "MUTCHETAL1976B" REFERENCE_DESC = "Mutch, T.A, S.U. Grenander, K.L. Jones, W. Patterson, R.E. Arvidson, E.A. Guinness, P. Avrin, C.E. Carlston, A.B. Binder, C. Sagan, E.W. Dunham, P.L. Fox, D.C. Pieri, F.O. Huck, C.W. Rowland, G.R. Taylor, S.D. Wall, R. Kahn, E.C. Levinthal, S. Liebes, R.B. Tucker, E.C. Morris, J.B. Pollack, R.S. Saunders, and M.R. Wolf, The surface of Mars: The view from the Viking 2 Lander, Science, 194, 1277-1283. 1976." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "PATTERSONETAL1977" REFERENCE_DESC = "Patterson, W.R., F.O. Huck, S.D. Wall, and M.R. Wolf, Calibration and performance of the Viking Lander cameras, J. Geophys. Res., 82, 4391-4400, 1977." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "SNYDER1977" REFERENCE_DESC = "Snyder, C.W., 'The Missions of the Viking Orbiters', Journal of Geophysical Research, Vol 82, p. 3971, 1977." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "SNYDER1979" REFERENCE_DESC = "Snyder, C.W., 'The Extended Mission of Viking', Journal of Geophysical Research, Vol 84, p. 7917, 1979." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "SYNDER&MOROZ1992" REFERENCE_DESC = "Snyder, C.W., and I.V. Moroz, Spacecraft Exploration of Mars, in Mars, Kieffer et al., eds., Univ. of Arizona Press, Tucson, 1992." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "SOFFEN1977" REFERENCE_DESC = "Soffen, G.A., The Viking Project, J. Geophys. Res., 82, 3959-3970, 1977." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "TUCKER1978" REFERENCE_DESC = "Tucker, R.B., Viking Lander imaging investigation: Picture catalog of primary mission experiment data record, NASA Reference Publication 1007, 1978." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "WALLETAL1975" REFERENCE_DESC = "Wall, S.D., E.E. Burcher, and D.J. Jobsen, Reflectance characteristics of the Viking lander camera reference test charts, NASA Tech. Memo., TM X-72762, 1975." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "WALL&ASHMORE1985" REFERENCE_DESC = "Wall, S.D., and T.C. Ashmore, Conclusion of the Viking Lander imaging investigation, NASA Reference Publication 1137, 1985." END_OBJECT = REFERENCE OBJECT = REFERENCE REFERENCE_KEY_ID = "WOLFETAL1977" REFERENCE_DESC = "Wolf, M.R., D.L. Atwood, and M.E. Morrill, Viking lander camera radiometry calibration report, NASA JPL Pub. 77-62, 1977." END_OBJECT = REFERENCE END