000			00236nam a2200097 4500
100			_aBangalore:GSI
245			_aJournal of GSI,vol.37(1-6) _cBangalore:GSI
260			_aBangalore:GSI _c1991
260			_aBangalore:GSI _c1991
942			_cCR
999			_c336654 _d336654