PDS_VERSION_ID   = PDS3

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELL2003"
REFERENCE_DESC   = "Bell III, J.F., HST Studies of Mars, in A Decade of
Hubble Space Telescope Science, eds. M. Livio, K. Noll, and
M. Stiavelli, Cambridge University Press, pp. 1-24, 2003."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL1996"
REFERENCE_DESC   = "Bell III, J.F., M.J. Wolff, P.B. James, R.T. Clancy,
S.W. Lee, and L.J. Martin, Calibration and mineralogic analysis of HST
images of Mars obtained during 1994-1995, LPSC XXVII, 89-90, 1996."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL1997A"
REFERENCE_DESC   = "Bell III, J.F., M.J. Wolff, P.B. James, R.T. Clancy,
S.W. Lee, and L.J. Martin, Mars surface mineralogy from Hubble Space
Telescope imaging during 1994-1995: Observations, calibration, and
initial results, J. Geophys. Res, 102, 9109-9123, 1997."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL1997B"
REFERENCE_DESC   = "Bell III, J.F., P.C. Thomas, M.J. Wolff, S.W. Lee,
and P.B. James, Mineralogy of the Martian north polar sand sea from
1995 Hubble Space Telescope near-IR observations, LPSC XXVIII, 87-88,
1997."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL1997C"
REFERENCE_DESC   = "Bell III, J.F., M.J. Wolff, P.C. Thomas, P.B. James,
and E.A. Cloutis, Mineralogy of unweathered Mars surface materials
from HST multispectral imaging, Mars Telescopic Observations Workshop
II, LPI Technical Report 97-03, 7-9, 1997."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL1997D"
REFERENCE_DESC   = "Bell III, J.F., R.T. Clancy, P.B. James, S.W. Lee,
L.J. Martin, and M.J. Wolff, Hubble Space Telescope observations of
Mars during 1996-1997, LPSC XXVIII, 85-86, 1997."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL1997E"
REFERENCE_DESC   = "Bell III, J.F, M.J. Wolff, R. Comstock, and
P.B. James, HST STIS and NICMOS observations of Mars during 1997,
Bull. Amer. Astron. Soc., 30, 1054, 1998."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL1999A"
REFERENCE_DESC   = "Bell III, J.F., M.J. Wolff, T.C. Daley, D. Crisp,
P.B. James, S.W. Lee, J.T. Trauger, and R.W. Evans, Near-infrared
imaging of Mars from HST: Surface reflectance, photometric properties,
and implications for MOLA data, Icarus, 138, 25-35, 1999."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL1999B"
REFERENCE_DESC   = "Bell III, J.F., M.J. Wolff, T. Glotch, S.W. Lee,
P.D. Martin, P.B. James, M. Ravine, and R.T. Clancy, HST WFPC2 and
STIS observations of Mars during the 1999 opposition, Eos Trans. AGU,
80, F627, 1999."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL2001A"
REFERENCE_DESC   = "Bell III, J.F., J. Sohl-Dickstein, J. Neubert,
M.J. Wolff, R.T. Clancy, R.V. Morris, P.B. James, S.W. Lee, K. Noll,
and A. Lubenow, Hubble Space Telescope imaging and spectroscopy of
Mars during 2001, Eos Trans. AGU, 82, Fall Meet. Suppl., F722-723,
2001."  
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL2001B"
REFERENCE_DESC   = "Bell III, J.F., R. V. Morris, W. H. Farrand, and
M. J. Wolff, A re-assessment of global color units on Mars
from Hubble Space Telescope visible to near-IR imaging and
spectroscopy, Lunar and Planet. Sci. XXXII, Abstract #1484, LPI,
Houston (CDROM), 2001."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BELLETAL2002"
REFERENCE_DESC   = "Bell III, J.F., M.Y.H. Hubbard, and M.J. Wolff,
Visible to near-IR (255 to 1042 nm) spectra of airborne Martian 
dust from 1999 and 2001 HST/WFPC2 observations, Bull. Amer. Astron. 
Soc., 34, 842, 2002."
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REFERENCE_KEY_ID = "BIRETTAETAL1993"
REFERENCE_DESC   = "Biretta, J.A., S.M. Baggett, J.W. MacKenty,
C.E. Ritchie, and W.B. Sparks, The WFPC calibration pipeline,
Proceedings of the HST Calibration Workshop, STScI publication,
8-19, November 1993."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BIRETTAETAL1996"
REFERENCE_DESC   = "Biretta, J.A., C. Burrows, J. Holtzman, I.
Heyer, M. Stevens, S. Baggaett, S. Casertano, M. Clampin, A.
Fruchter, H. Ferguson, R. Gilliland, R. Griffiths, J. Krist, K. Noll,
C. O'Dea, M. Stiavelli, A.Suchkov, J. Surdej, and B. Whitmore, The
WFPC Instrument Handbook, Version 4.0 (Baltimore: STScI), June,
1996."
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REFERENCE_KEY_ID = "BURROWS1994"                                
REFERENCE_DESC   = "Burrows, C.J., ed., Wide Field and Planetary Camera
2 Instrument Handbook version 2.0, STScI publication, May 1994."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "BURROWSETAL1991"
REFERENCE_DESC   = "Burrows, C.J., J.A. Holtzman, S.M. Faber, P.Y. Bely,
H. Hasan, C.R. Lynds, and D. Schroeder, The imaging performance of
the Hubble Space Telescope, Ap. J. Lett., 369, L21-L25, 1991."
END_OBJECT       = REFERENCE

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REFERENCE_KEY_ID = "FARRANDETAL2000"
REFERENCE_DESC   = "Farrand, W.H., J.F. Bell III, R.V. Morris, and
M.J. Wolff, Global color units on Mars from 1999 HST/WFPC2 imaging
data, Bull. Amer. Astron. Soc., 32, 1119, 2000."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "HOLTZMANETAL1995A"
REFERENCE_DESC   = "Holtzman, J., J.J. Hester, S. Casertano,
J.T. Trauger, A.M. Watson, G.E. Ballester, C.J. Burrows, J.T. Clarke,
D. Crisp, R.W. Evans, J.S. Gallagher III, R.E. Griffiths,
J.G. Hoessel, L.D. Matthews, J.R. Mould, P.A. Scowen,
K.R. Stapelfeldt, and J.A. Westphal, The performance and calibration
of WFPC2 on the Hubble Space Telescope, Publ. Astron. Soc. Pacific,
107, 156-178, 1995."
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REFERENCE_KEY_ID = "HOLTZMANETAL1995B"
REFERENCE_DESC   = "Holtzman, J.A., C.J. Burrows, S. Casertano,
J.J. Hester, J.T. Trauger, A.M. Watson, and G. Worthey, The
photometric performance and calibration of WFPC2,
Publ. Astron. Soc. Pacific, 107, 1065-1093, 1995."
END_OBJECT       = REFERENCE                                    
                                                                              
OBJECT           = REFERENCE
REFERENCE_KEY_ID = "JAMESETAL1995"
REFERENCE_DESC   = "James, P.B., J.F. Bell III, R.T. Clancy, S.W. Lee,
L.J. Martin, and M.J. Wolff, Hubble Space Telescope observations of
Mars: 1994-1995, Mars Telescopic Observations Workshop, LPI
Tech. Rpt. 95-04, 16-17, 1995."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "JAMESETAL1996A"
REFERENCE_DESC   = "James, P.B., M.J. Wolff, R.T. Clancy, S.W. Lee,
J.F. Bell III, and L.J. Martin, Synoptic monitoring of Mars by HST:
1996-1997 observations, Bull. Amer. Astron. Soc., 28, 1069, 1996."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "JAMESETAL1996B"
REFERENCE_DESC   = "James, P.B., J.F. Bell III, R.T. Clancy, S.W. Lee,
L.J. Martin, and M.J. Wolff, Global imaging of Mars by Hubble Space
Telescope during the 1995 opposition, J. Geophys. Res., 101,
18,883-18,890, 1996."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "JAMESETAL1997"
REFERENCE_DESC   = "James, P.B., B.A. Cantor, M.J. Wolff, S.W. Lee,
R.T. Clancy, J.F.  Bell III, and L.J. Martin, Hubble Space Telescope
observations of Martian north polar cap: 1990-1997, Mars Telescopic
Observations Workshop II, LPI Technical Report 97-03, 17-19, 1997."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "LEEETAL1996"
REFERENCE_DESC   = "Lee, S.W., M.J. Wolff, P.B. James, R.T. Clancy,
J.F. Bell III, and L.J. Martin, HST observations of Mars:
Time-variable albedo in the Cerberus region, Bull. Amer. Astron. 
Soc., 28, 1061, 1996."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "LEEETAL1997"
REFERENCE_DESC   = "Lee, S.W., P.B. James, M.J. Wolff, R.T. Clancy, and
J.F. Bell III, Martian dust and condensate clouds: 1996-1997 Hubble
Space Telescope observations, Mars Telescopic Observations Workshop
II, LPI Technical Report 97-03, 21-22, 1997."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "VOELS1995"
REFERENCE_DESC = "Voels, S.A., NSSDC Master Catalog Display:
Spacecraft, NSSDC ID 90-037B, 1995."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "WOLFFETAL1996"
REFERENCE_DESC   = "Wolff, M.J., R.T. Clancy, S.W. Lee, L.J. Martin,
J.F. Bell III, and P.B. James, 1995 observations of Martian dust
storms using the Hubble Space Telescope, Bull. Amer. Astron. Soc., 
28, 1065, 1996."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "WOLFFETAL1997A"
REFERENCE_DESC   = "Wolff, M.J., R.T. Clancy, P.B. James, S.W. Lee, and
J.F. Bell III, Of Martian water ice clouds: New insights using the
Hubble Space Telescope, Mars Telescopic Observations Workshop II, LPI
Technical Report 97-03, 37-38, 1997."
END_OBJECT       = REFERENCE

OBJECT           = REFERENCE
REFERENCE_KEY_ID = "WOLFFETAL1999"
REFERENCE_DESC   = "Wolff, M.J., J.F. Bell III, P.B. James, R.T. Clancy,
and S.W. Lee, Hubble Space Telescope observations of the Martian
aphelion cloud belt prior to the Mars Pathfinder mission: Water Ice
Cloud and Dust Optical Depths, J. Geophys. Res., 104, 9027-9042, 1999."
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OBJECT           = REFERENCE
REFERENCE_KEY_ID = "WOLFFETAL1997B"
REFERENCE_DESC   = "Wolff, M.J., S.W. Lee, R.T. Clancy, L.J. Martin,
J.F. Bell III, and P.B. James, 1995 observations of Martian dust
storms using the Hubble Space Telescope, J. Geophys. Res., 102,
1679-1692, 1997."
END_OBJECT       = REFERENCE
                                                                             
END