Dynamics of galaxies and their molecular cloud distribution :  Proceedings of the 146th Symposium of the International Astronomical Union, held in Paris, France, June 4-9, 1990 / 
Ed. by F. Combes and F. Casoli. 
 - Dordrecht ;  Boston :  Kluwer Academic,  1991. 
 - xxvi, 467 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliogr. references and index. 
<br/><br/><label>ISBN: </label>0792310969 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Galaxies--Congresses.<br/>Molecular clouds--Congresses.
<br/><br/><label>Dewey Class. No.: </label>523.1/12