Proceedings of the Eighteenth General Assembly, Patras, 1982/ 
edited by Richard M. West. 
 - Dordrecht:  Reidel,  1983 
 - x,603 pages:  illustration,1port  26 cm. 
 - Transactions of the International Astronomical Union  v.18B .
<br/><br/> At head of title: International Astronomical Union. 
<br/><br/><br/>eng fre. 
<br/><br/><label>ISBN: </label>9027715637 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Societies, etc.