Comets  proceedings of the Tucson comet conference on scientific data and missions, held in Tucson, Arizona, 1 July 1972 
edited by G .P. Kuiper and E. Roemer                                                  
 - Arizona  Lunar Planetary Observatory  1972 
 - 222p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets
<br/><br/><label>Universal Decimal Class. No.: </label>523.64(063)  / COM