TY  - BOOK
AU  - Dommasch, Daniel O.
TI  - ELEMENTS OF PROPELLER AND HELICOPTER AERODYNAMICS
U1  - 629.5 
PY  - 1953///
CY  - N. Y.
PB  - Pitman Pub.
KW  - Propellers, Aerial
KW  - Helicopters
ER  -