000 00468nam a2200169Ia 4500
008 170901s1989 xx 000 0 und d
082 _a622.8
_bS48K
100 _aSingh, Vishavnath
245 0 _aInundation in Mines
260 _aPatna
_bBihar Hindi Granth Academy
_c1989
300 _a74
650 _aEngineering and allied operations
650 _aTechnology (Applied sciences)
653 _aMining engineering
653 _aSafety measures
942 _2ddc
_cBK
999 _c11853
_d11853