| 000 | 003160000a22001090004500 | ||
|---|---|---|---|
| 245 | _aThe manufacture of cement and sulphuric acid from calcium | ||
| 110 | _aUnited Nations Industrial Development Organization, New York US | ||
| 260 |
_aNew York _bUN _c1971 |
||
| 080 |
_a661.2 _bU6 |
||
| 041 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c114278 _d114278 |
||