TY  - BOOK
AU  - Gray,Edwyn
TI  - The underwater war: submarines, 1914-1918 
SN  - 0684126974
PY  - 1971///
CY  - New York
PB  - Scribner
KW  - World War, 1914-1918
KW  - Naval operations
KW  - Submarine
KW  - Naval operations, British
N1  - Includes bibliographical references and index
ER  -