Modern Observational  Techniques for Comets 

 - Pasadena  NASA  1981 
 - 319 p.,diagr.,phot. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy-Conferences
<br/><br/><label>Subjects--Index Terms: </label>Comets-Conferences 
<br/><br/><label>Dewey Class. No.: </label>A9M77f1374