Sunshine, J. M. and Pieters, C. M. (1993a) Estimating Modal Abundances from the Spectra of Natural and Laboratory Pyroxene Mixtures Using the Modified Gaussian Model. J. Geophys. Res., 98, pp. 9075-9087
RELAB Bi-Directional Spectra (.3 - 2.6 microns).
http://www.planetary.brown.edu/planetary/pds/bin/labjmspx.tar.Z Last update 17 July 1995
http://www.planetary.brown.edu/planetary/pds/bin/labjmspx.sea.hqx Last update 17 July 1995