Yeomans, Donald K. <br/><br/>
Cometary astrometry 
Donald K. Yeomans                                            
 - California  National Aeronautics and Space Administration  1984 
 - v, 220p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrometry<br/>Astronomy and astrophysics thesaurus<br/>Comets<br/>Planetary systems
<br/><br/><label>Universal Decimal Class. No.: </label>523.64:521.9  / COM