| 000 | 00346nab a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 170811c99999999xx |||||||||||| ||und|| | ||
| 245 | _aGrowing challenge | ||
| 300 | _a50-51 | ||
| 653 | _a Crude steel production | ||
| 653 | _a Pollution | ||
| 653 | _aSteel industry | ||
| 773 |
_tDown To Earth _gVol. 21 No. 2 (1.6.12) 2012 |
||
| 942 | _cART | ||
| 999 |
_c178557 _d178557 |
||