TY  - BOOK
AU  - Prouty, R. W.
TI  - Even more: helicopter aerodynamics / 
T2  - Rotor & Wing
U1  - 629.133352 
PY  - 1993///]
CY  - Maryland : 
PB  - Philipps Business Information Inc., 
KW  - Aeronautics
KW  - Airplaines
KW  - Helicopter
N1  - Includes glossary and index
ER  -