TY  - BOOK
AU  - Jefferis,David
TI  - Super subs : : opening up undersea frontiers
T2  - Megatech
SN  - 0778700631
U1  - 623.8205 23
PY  - 2002///
CY  - New York : 
PB  - Crabtree Publishing , 
KW  - Submarines - Juvenile literature ; Underwater exploration - Juvenile literature
ER  -