The study of comets  pt. 1, 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 
 - xxii, 536p. 
 - IAU colloquium; no. 25 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comet Data Collections<br/>Comet Kohoutek<br/>Cometary atmosphere<br/>Isophotometry<br/>Photometry
<br/><br/><label>Universal Decimal Class. No.: </label>523.64(082.2)  / DON