Leishman, J. Gordon <br/><br/>
Principles of helicopter aerodynamics / 
J. Gordon Leishman 
 - 2nd ed. 
 - Cambridge :  Cambridge University Press,  2006 
 - xxxvii, 826 p. :  ill. ;  27 cm. 
 - Cambridge aerospace series ;  18 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0521858607  RM396.00 9780521858601 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helicopters--Aerodynamics