Murdin, P. <br/><br/>
Firefly encyclopedia of astronomy 

 - New York  Firefly Books  2004 
 - vii, 472 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>B9k
<br/><br/><label>Dewey Class. No.: </label>B9k  / N4