| 000 | 00350 a2200145 4500 | ||
|---|---|---|---|
| 082 |
_a372.83 _bEDA |
||
| 245 |
_aA steel-making community _b: Pittsburgh, pennsylvania |
||
| 250 | _a2nd ed. | ||
| 260 |
_aBoston : _bAllyn And Bacon, _c1974. |
||
| 300 | _a122p. | ||
| 500 | _aPB | ||
| 546 | _aEng | ||
| 650 |
_aA steel mill-Factory _961194 |
||
| 942 | _cBK | ||
| 999 |
_c58220 _d58220 |
||