Culhane, J. Leonard <br/><br/>
X-ray astronomy /  
[by] J. Leonard Culhane, Peter W. Sanford. 
 - London ;   Boston :   Faber and Faber,   1981. 
 - 192 p. 
<br/><br/><label>ISBN: </label>0571115500 
<br/><br/><label>Subjects--Index Terms: </label>ასტრონომია 
<br/><br/><label>Dewey Class. No.: </label>522/.686 
<br/><br/><label>Universal Decimal Class. No.: </label>52