Jefferis, David. <br/><br/>
Conquest of the air / 
David Jefferis. 
 - London :  Franklin Watts,  1990. 
 - 96 p. :  col. ill. 
<br/><br/><label>ISBN: </label>0749602260 
<br/><br/><label>LCCN: </label>92024101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics.<br/>Airplanes--History.