Graham, Daniel <br/><br/>
The gatekeepers / 
Daniel Graham 
 - Riverdale, NY :  Baen,  c1995. 
 - 456 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9780671876845 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aerospace industries<br/>Fiction<br/>Astronautics and civilization
<br/><br/><label>LC Class. No.: </label>PS3557  / .R192G37 1995