Knight, Damon. <br/><br/>
Dimenson X / 
Damon Knight. 
 - New York :  Simon & Schuster,  1970. 
 - 351 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>0671651285 
<br/><br/><label>LCCN: </label>71122940