Ronan, Colin A. <br/><br/>
Invisible astronomy / 
Colin A. Ronan ; foreword by Fred Hoyle 
 - London :  Eype & Spottiswoode,  1969 
 - xvi, 173 p. :  ill. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 165 
<br/><br/><label>ISBN: </label> FBC 50.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio astronomy<br/>Nuclear astrophysics<br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>520