TY  - BOOK
AU  - Young,Warren R.
ED  - Time-Life Books.
TI  - The helicopters
SN  - 0809433508
AV  - TL716 .Y65 1982
U1  - 629.133/352 19
PY  - 1982///
CY  - Alexandria, Va.
PB  - Time-Life Books
KW  - Helicopters
N1  - Includes index; Bibliography: p. 172
UR  - http://www.archive.org/details/helicopters00youn
UR  - http://www.openlibrary.org/books/OL3490960M
ER  -