1. Astrostatistics;Babu,1996
2. An observation of Mercury and its history;Baum;J. Brit. Astr. Assoc.,1997
3. A digital high-definition imaging system for spectral studies of extended planetary atmospheres. I. Initial results in white light showing features on the hemisphere of Mercury unimaged by Mariner 10;Baumgardner;Astrophys. J.,2000
4. Surface properties and effective resolution from ground-based observations of Mercury;Beebe;Icarus,1975
5. Mercury—full-disk radar images and the detection and stability of ice at the North Pole;Butler;J. Geophys. Res.,1993