000 00248 a2200109 4500
020 _a9788123704685
100 _aUMMERKUTTY, A.N.P.
245 _aSCIENCE OF THE OCEANS
250 _a1
260 _bNATIONAL BOOK TRUST, NEW DELHI
_c2012
942 _cBK
999 _c87601
_d87601