Highlights of astronomy :  as presented at the XXIst General Assembly of the IUA, 1991 / 
edition : J. Bergeron. 
 - 755 páginas. . 
<br/><br/><label>ISBN: </label>079231915X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ASTROMETRIA--CONGRESOS<br/>RADIOASTRONOMIA--CONGRESOS
<br/><br/><label>Dewey Class. No.: </label>523.12