Verschuur, Gerrit L. <br/><br/>
The invisible universe  the story of radio astronomy 
Gerrit L. Verschuur                                       
 - 2nd ed. 
 - New York  Springer  2007 
 - xiii, 156p. 
<br/><br/><label>ISBN: </label>978-0387-30816-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pulsars<br/>Quasars<br/>Radio astronomy<br/>Radio galaxies
<br/><br/><label>Universal Decimal Class. No.: </label>52-77  / VER