The Large-scale characteristics of the galaxy :  Symposium No. 84 held in College Park, Maryland, U.S.A., 12-17 June 1978 / 
Ed. by W. B. Burton. 
 - Dordrecht-Holland ;  Boston :  D. Reidel Publ. Co.,  1979. 
 - xviii, 611 p. :  ill. ;  25 cm. 
<br/><br/> At head of title: International Astronomical Union. Union astronomique internationale.  Symposium jointly sponsored by IAU Commission 33, Structure and Dynamics of the Galactic System, and by Commission 34, Interstellar Matter and Planetary Nebulae. 
<br/><br/>Includes bibliogr. references and index. 
<br/><br/><label>ISBN: </label>9027710295 9027710309 (pbk.) 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Milky Way--Congresses
<br/><br/><label>Dewey Class. No.: </label>523.1/12