TY  - BOOK
AU  - Newbolt,Henry
AU  - Wilkinson,Narman
TI  - Submarine and anti-submarine
PY  - 1918///
CY  - London
PB  - Longmans
KW  - Submarines (ships)
KW  - World War, 1914-1918
KW  - Naval operations
KW  - Submarine
ER  -