000
00248 a2200109 4500
020
_a
9788123704685
100
_a
UMMERKUTTY, A.N.P.
245
_a
SCIENCE OF THE OCEANS
250
_a
1
260
_b
NATIONAL BOOK TRUST, NEW DELHI
_c
2012
942
_c
BK
999
_c
87601
_d
87601