Young, Warren R <br/><br/>
The Helicopters 

 - Virginia   Time - life books  1982 
 - 175 p. 
 - the epic of flight .
<br/><br/> Index 
<br/><br/><label>ISBN: </label>0809433508 (10) 0809433516 (10) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helicopters
<br/><br/><label>Dewey Class. No.: </label>629.1333352  / Y58