000 00472nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a338.272
_bH496
100 _aHenderson J M
245 _aEfficiency of the coal industry
_ban application of linear programming
260 _aMass.
_bHarvard University Press
_c1958
300 _axiv,146p.
650 _aCoal industry
650 _aProduction economics
942 _cBK
999 _c38710
_d38710