000			00304nam a22001337a 4500
005			20210827152310.0
008			210827b ||||| |||| 00| 0 eng d
041			_aeng
100			_aMukherjee P K _925193
245			_aTextbook of geology
260			_aN Delhi _bBPB _c1986
300			_a544
942			_cBK
999			_c62778 _d62778