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 |