000 | 00459nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 171227s1999 xx 000 0 und d | ||
100 | _aChakrabarti, P K | ||
245 | _aElectricity In Underground Coal Mining | ||
260 |
_aRanchi _bCentral Mine Planning and Design Institute Limited _c1999 |
||
300 | _aXI+297 | ||
365 | _b200 | ||
520 | _aElectricity,in,Underground,Coal,Mining,Electricity in Underground Coal Mining | ||
650 | _aElectricity in Underground Coal Mining | ||
906 | _a40 | ||
999 |
_c172859 _d172859 |