Galactic and extra-galactic  radio astronomy 
ed. by Gerrit L. Verschuur, Kenneth I. Kellermann. 
 - Berlin  Springer-Verlag  1974 
 - ix, 402p  incl. bibl., 
<br/><br/><label>ISBN: </label>0387065040 
<br/><br/><label>Dewey Class. No.: </label>522.682  / N74