PDS_VERSION_ID       = PDS3
LABEL_REVISION_NOTE  = "2006-04-26 GEO:JGW INITIAL,
                       2007-01-09 GEO:JGW EDITED.
                       2017-02-28 GEO:EAG EDITED"
RECORD_TYPE          = STREAM

OBJECT               = REFERENCE 
REFERENCE_KEY_ID     = "HAPKEETAL2009" 
REFERENCE_DESC       = "Hapke, B.W., M.K. Shepard, R.M. Nelson, W.D. Smythe,
and J.L. Piatek, A quantitative test of the ability of models based on the
equation of radiative transfer to predict the bidirectional reflectance of a
well-characterized medium, Icarus, 199, 210-218,
10.1016/j.icarus.2008.09.006, 2009."
END_OBJECT           = REFERENCE

OBJECT               = REFERENCE 
REFERENCE_KEY_ID     = "JACKSONETAL1992" 
REFERENCE_DESC       = "Jackson, R.D., T.R.
Clarke, and M.S. Moran, Bidirectional calibration results for 11 spectralon
and 16 BaSO4 reference reflectance panels, Remote Sens Environ, 40, 231-239
1992."
END_OBJECT           = REFERENCE

OBJECT               = REFERENCE
REFERENCE_KEY_ID     = "JOHNSONETAL2013"
REFERENCE_DESC       = "Johnson, J.R., M. K. Shepard, W.M. Grundy, D.A.
Paige, E. Foote, Spectrogoniometry and modeling of martian and lunar analog
samples and Apollo soils, Icarus, 223, 383-406, 
10.1016/j.icarus.2012.12.004, 2013."
END_OBJECT           = REFERENCE

OBJECT               = REFERENCE
REFERENCE_KEY_ID     = "SHEPARD2001"
REFERENCE_DESC       = "Shepard, M.K., The Bloomsburg University Goniometer
                       (B.U.G.) Laboratory: An Integrated Laboratory for
                       Measuring Bidirectional Reflectance Functions, Lunar
                       and Planetary Science Conference XXXII, Abstract 1015,
                       2001."
END_OBJECT           = REFERENCE

END