Hirsh, Richard F. <br/><br/>
Glimpsing an invisible universe :  the emergence of X-ray astronomy / 
Richard F. Hirsh. 
 - Cambridge [Cambridgeshire] ;  New York :  Cambridge University Press,  1983. 
 - viii, 186 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521251214 
<br/><br/><label>Subjects--Topical Terms: </label><br/>X-ray astronomy.
<br/><br/><label>Dewey Class. No.: </label>522.686  / HIG 1983