1. The composition and origin of the Iapetus dark material;Bell;Icarus,1985
2. Composition of the D-type asteroids derived from infrared spectrophometry;Bell;LPSC XV,1984
3. Lightcurve CCD Spectrophotometry of Pluto;Buie,1984
4. Reflectance spectra for 277 asteroids;Chapman,1979
5. The dark side of Iapetus;Cruikshank;Icarus,1983