TY  - BOOK
AU  - Apostolo,Giorgio
TI  - World encyclopedia of civil and military helicopters
U1  -  629.1333509 
PY  - 1984///
CY  - London
PB  - Willow Books
KW  - Airplanes
KW  - History
KW  - Military helicopters
N1  - Includes index
ER  -