000 00569nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a338.2
_bB251
100 _aBarger Horold
245 _aThe mining industries, 1899-1939
_ba study of output, employment and productivity
260 _aNew York
_bNational Bureau of Economic Research
_c1944
300 _axxii,
440 _aNational Bureau of Economic Research, General series; no.43
650 _aMining industries
700 _aSchurr S H
_4Auth.
942 _cBK
999 _c27182
_d27182