Johnson, Wayne <br/><br/>
Helicopter theory 

 - New York  Dover Publications  1980 
 - xxii, 1089p 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0-486-68230-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aircraft<br/>Automobile Engineering<br/>Helicopters -- Rotating wings<br/>Mechanical Engineering<br/>Propulsion and control<br/>Rotary wing dynamics