000 00236nam a2200097 4500
100 _aBangalore:GSI
245 _aJournal of GSI,vol.30(1-6)
_cBangalore:GSI
260 _aBangalore:GSI
_c1987
260 _aBangalore:GSI
_c1987
942 _cCR
999 _c336646
_d336646