000 00311nam a2200085Ia 4500
008 120229s9999 xx 000 0 und d
082 _aDB555.416O61 GSIne
245 _aGeological Survey of India news v._____ 19 _____.
260 _bDirector General,Geological Survey of India North Eastern Re
_aShillong
_c1999
999 _c121793
_d121793