000 00462nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a338.272
_bG743
100 _aGrainger L
245 _aCoal utilisation
_btechnology, economics and policy
260 _aLondon
_bGraham & Trotman
_c1981
300 _axix,503p.
650 _aCoal
650 _aProduction economics
700 _aGibson J
_4Auth.
942 _cBK
999 _c547
_d547