000 00483nam a2200169Ia 4500
008 190327s9999||||xx |||||||||||||| ||und||
020 _a81-237-0468-2
040 _aNITIL
_cNITIL
082 _221st
_a551.46
_bU52S
100 _aUmmerkutty, A N P
245 0 _aScience of the oceans
_cA N P Ummerkutty
260 _aNew Delhi
_bNational Book Trust
_c1985
300 _a138p: ill
440 _aPopular science
650 _aOceanography; Ocean; Underwater exploration
942 _cBKS
999 _c40669
_d40669