TY  - BOOK
AU  - Swanborough, F. G.
TI  - VERTICAL FLIGHT AIRCRAFT OF THE WORLD
U1  - 629.5335 
PY  - 1964///
CY  - Los Angeles
PB  - Aero Pub.
KW  - Vertically Rising Aeroplanes
KW  - Helicopters
KW  - Ground-Effect Machines
ER  -