TY  - BOOK
AU  - Wagtendonk,W.J.
TI  - Principles of helicopter flight
SN  - 9781560272175
AV  - TL716 .W32
U1  - 629.132/5252 20
PY  - 1996///
CY  - Newcastle, Wash.
PB  - Aviation Supplies & Academics
KW  - Helicopters
KW  - Aerodynamics
KW  - Piloting
N1  - Includes index
ER  -