| 000 | 00427nam a2200157Ia 4500 | ||
|---|---|---|---|
| 082 |
_a338.20973 _bB251.MI |
||
| 100 | _aBarger, Harold and Schurr, S. H. | ||
| 245 |
_aMining industries, 1899, 1939; a study of output employment and productivity _b |
||
| 260 |
_aNew York _bNBER _c1944 |
||
| 300 | _axxii, 452p. | ||
| 500 | _a | ||
| 690 | _a | ||
| 700 | _aSchurr, S. H. ; jt. auth. | ||
| 964 |
_a _b _c _d _e _f _g |
||
| 921 | _a14753 | ||
| 999 |
_c14753 _d14753 |
||