000 00296nam a22001097a 4500
082 _aGEOPGD165
100 _aSANTHOSH,S
245 _aGemstone bearing horizons in Trivandrum district,South Kerala
260 _aTrivandrum
_bUniversity of Kerala
_c1992
700 _aDr.P.T.Roy Chacko
942 _cPD
999 _c645093
_d645093