000 00391nam a2200133Ia 4500
008 211115s9999 xx 000 0 und d
041 _aeng
082 _aHt4.44`N77
_bL7
245 0 _aGeological survey of India /
_cby India Geological Survey.
260 _aNew Delhi :
_bGeological Survey Of India ,
_c1977
300 _axii, 584p :
650 _aGeological Survey of India
942 _cTB
999 _c51977
_d51977