Stepniewski, Wieslaw Zenon,  1909- <br/><br/>
Rotary-wing aerodynamics / 
W.Z. Stepniewski and C.N. Keys. 
 - New York :  Dover Publications,  1984. 
 - 2v. in one :  ill. ;  24 cm. 
<br/><br/>Includes bibliogrpahical references and index. 
<br/><br/>v. 1. Basic theories of rotor aerodynamics. --v.2 Performance predic tion of helicopters. 
<br/><br/><label>ISBN: </label>0486646475. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helicopters--Aerodynamics.
<br/><br/><label>Dewey Class. No.: </label>629.1325 STE