The comet Halley archive summary volume 
edited by Z. Sekanina and L. Fry                                                   
 - Washington  National Aeronautics and Space Administration  1991 
 - vii, 332p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy network<br/>Nucleus studies<br/>Radio science
<br/><br/><label>Universal Decimal Class. No.: </label>523.64  / THE