Wagtendonk, W. J.  1929- <br/><br/>
Principles of helicopter flight / 
W.J. Wagtendonk. 
 - Newcastle, Wash. :  Aviation Supplies & Academics,  1996. 
 - xii, 275 p. :  ill. ;  27 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781560272175 9781560272175 
<br/><br/><label>LCCN: </label>95052965  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helicopters--Aerodynamics.<br/>Helicopters--Piloting.
<br/><br/><label>LC Class. No.: </label>TL716  / .W32 
<br/><br/><label>Dewey Class. No.: </label>629.132/5252