000 00311nam a22001097a 4500
082 _aGEOPGD58
100 _aKOSHY JOHN,M
245 _aGeology of the limestone occurences around Walayar , Kerala and Tamil Nadu
260 _aTrivandrum
_bUniversity of Kerala
_c1980
700 _aDr.P.T.Roy CHacko
942 _cPD
999 _c644695
_d644695