1. Biesecker, D. A, P. Lamy, O. C. St. Cyr, A. Llebaria, and, R. Howard, 1999, The sungrazing comets discovered with the SOHO/LASCO coronagraphs: 1996–1998, Bull. Am. Astron. Soc. 31, 1094.
2. The Large Angle Spectroscopic Coronagraph (LASCO);Brueckner;Solar Phys.,1995
3. Search for intramercurial bodies;Campbell;Publ. Astron. Soc. Pacific,1923
4. Campins, H., D. R. Davis, S. J. Weidenshilling, and M. Magee1996. Searching for Vulcanoids. In Completing the Inventory of the Solar SystemT. Rettig and J. Hahn, Eds., ASP Conf. Series, Vol. 107, pp. 85–96, San Francisco.
5. Ten years of solar eclipse comet searches;Courten;Bull. Am. Astron. Soc.,1976