The study of comets pt. 2, proceedings of IAU colloquium; no. 25 held in Maryland, USA, 28 Oct - 11 Nov 1974
edited by B. Donn
- Washington National Aeronautics and Space Administration 1976
- viii, 546p.
- IAU colloquium; no. 25 .
Comet data collections Comet Kohoutek Cometary atmosphere Isophotometry Photometry