TY  - BOOK
AU  - Werner,Herbert A.
TI  - Iron coffins: a personal account of the German U-boat battles of World War II 
SN  - 0213000482 :
U1  - 940.548743 
PY  - 1970///
CY  - London
PB  - Arthur Barker
KW  - World War, 1939-1945
KW  - Naval operations
KW  - Submarine
N1  - Glossary : p. 327-329
ER  -