TY  - BOOK
AU  - Ummerkutty,A.N.P.
TI  - Science of the oceans
SN  - 8123704682
U1  - 551.46 
PY  - 1993///
CY  - New Delhi
PB  - Natinal Book Trust india
KW  - Oceans
KW  - Scince
ER  -