Structure and evolution of the galaxy :  Proceedings of the NATO advanced study institute held in Athens, September 8-19, 1969 / 
Ed. by L. N. Mavridis. 
 - Dordrecht , Holland :  D. Reidel Publ. Co.,  1971. 
 - [7], 312 p.  ill. 
 - Astrophysics and Space Science Library / Ed.board J.E. Blamont a. o.  22 .
 - Astrophysics and Space Science Library  22 .
<br/><br/>Includes bibliogr. references and index 
<br/><br/><label>ISBN: </label>9027701776 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Milky Way--Congresses