Reports on astronomy 
International Council of Scientific Unions, International Astronomical Union edited by Patrick A. Wayman 
 - Dordrecht  D. Reidel Publishing Company  1982 
 - viii, 669 p. 25 cm 
 - Transactions of the International Astronomical Union  v. 18 A .
<br/><br/> English and French 
<br/><br/>Includes bibliographies 
<br/><br/><br/>engfre 
<br/><br/><label>LCCN: </label>82-3802 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Congresses