Dartford, Mark. <br/><br/>
Helicopters  / 
Mark Dartford. 
 - London :  Angus Books ،  2004. 
 - 32 p. :  ill ؛  31 cm. 
<br/><br/><label>ISBN: </label>1904594379 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Attack helicopters<br/>Military helicopters.<br/>Observation helicopters<br/>Transport helicopters
<br/><br/><label>LC Class. No.: </label>UG1230  / D37 2004