TY  - BOOK
AU  - Griffin,Gwyn
TI  - An operational necessity
AV  - PZ4.G8515 Op
PY  - 1967///]
CY  - New York
PB  - Putnam
KW  - World War
KW  - Naval operations
KW  - Submarine
KW  - Fiction
KW  - Local
ER  -