TY  - BOOK
AU  - Ummerkutty,A N P
TI  - Science of the oceans
SN  - 81 237 0468 2
U1  - 551.46 
PY  - 0000///
CY  - New Delhi
PB  - National Book Trust
KW  - Conquest
KW  - geological and physical features
ER  -