Pohl, Frederik. <br/><br/>
Mining the oort / 
Frederik Pohl. 
 - New York :  Ballatine Books,  1992. 
 - 264 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0345371992 :  $19.00 ($24.00 Can.) 
<br/><br/><label>LCCN: </label>93014254