000 00309nam a22001337a 4500
005 20210923150018.0
008 210923b ||||| |||| 00| 0 eng d
041 _aeng
100 _aArora D S
_924505
245 _aGeology for engineers
260 _aN Delhi
_bMohindra
_c1988
300 _a411
942 _cBK
999 _c192008
_d192008