Cometary Astrometry :  Proceedings of a Workshop  atthe Europena Southern Observatory / 
ed.by Donald K.Yeomans, Richard M.West, Robert SHarrington, Brian G. Marsden 
 - Garching :  European Southern Observatory,  1984 
 - 218 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>B1101C73f2109