000 | 00423nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 171227s1999 xx 000 0 und d | ||
100 | _aChakrabarti, P K | ||
245 | _aElectricity In Underground Coal Mining | ||
250 | _a1 | ||
260 |
_aRanchi _bCentral Mine Planning and Design Institute Limited _c1999 |
||
300 | _aXi+297 | ||
365 | _b200 | ||
520 | _aElectricity,in,Underground,Coal,Mining,Coal Mining | ||
650 | _aCoal Mining | ||
906 | _a40 | ||
999 |
_c172826 _d172826 |