000 00236nam a2200097 4500
100 _aBangalore:GSI
245 _aJournal of GSI,vol.33(1-6)
_cBangalore:GSI
260 _aBangalore:GSI
_c1989
260 _aBangalore:GSI
_c1989
942 _cCR
999 _c336649
_d336649