TY  - BOOK
AU  - Bekker, C.D.
AU  - Heye, Hellmuth (Preface)
TI  - K-men: The story of the German frogmen and midget submarines
U1  - 940.54 BEK 
PY  - 1955///
CY  - London
PB  - William Kimber
KW  - Midget submarines
KW  - WWII - Germany
ER  -