Layton, Donald M. <br/><br/>
Helicopter performance / 
Donald M. Layton. 
 - Beaverton, Or. :  Matrix Publishers,  c1984. 
 - p. cm. 
<br/><br/> Cataloging based on CIP information.  Includes index. 
<br/><br/>Bibliography: p. 
<br/><br/><label>ISBN: </label>0916460398 :  $39.95 
<br/><br/><label>LCCN: </label>84007135  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helicopters--Design and construction.
<br/><br/><label>LC Class. No.: </label>TL716  / .L36 1984 
<br/><br/><label>Dewey Class. No.: </label>629.133/352