TY  - BOOK
AU  - Young,Warren R.
TI  - The helicopters
T2  - Epic of flight
SN  - 0809433508
PY  - 1982///
CY  - Alexandria, Virginia
PB  - Time-Life Books
KW  - Helicopters
N1  - With hardcover; Cont.: Turning fantasy into reality -- The amazing autogiro -- The dream come true -- The chopper comes of age -- Helicopter War
ER  -