Galactic and extra-galactic radio astronomy / 
by the staff of the National Radio Astronomy Observatory; Ed. by Gerrit L. Verschuur, Kenneth I. Kellermann; With the assistance of Virginia van Brunt. 
 - New York :  Springer-Verlag,  1974. 
 - ix, 402 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliogr. references 
<br/><br/><label>ISBN: </label>3540065040 0387065040 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio astronomy.