000 00501nam a2200193Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a338.272(54)
_bK96
100 _aKumaramangalam S M
245 _aCoal industry in India
_bnationalisation and tasks ahead
260 _aCalcutta
_bOxford & IBH Publishers
_c1973
300 _a79p.
650 _aCoal
650 _aIndia
650 _aIndustry
650 _aProduction economics
942 _cBK
999 _c68504
_d68504