000 00335nam a2200097 4500
100 _aIndian Soc. of Earth Sciences
245 _aIndian Journal of Earth Science,vol.20(1-4)
_cIndian Soc. of Earth Sciences
260 _aCalcutta:Indian Soc. of Earth Sciences
_c1993
260 _aCalcutta:Indian Soc. of Earth Sciences
_c1993
942 _cCR
999 _c337071
_d337071