Niven Larry  1938 <br/><br/>
Footfall / 
Larry Niven and Jerry Pournelle 
 - London :  Sphere,  1986,  
 - xxix, 700 p ;  18 cm 
<br/><br/> Originally published: London : Gollancz, 1985 
<br/><br/><label>ISBN: </label>0722163398 
<br/><br/><label>LC Class. No.: </label>PS3568.O243 
<br/><br/><label>Dewey Class. No.: </label>813/.54