| 000 | 003540000a22001210004500 | ||
|---|---|---|---|
| 245 | _aClay building materials industries in Africa : proceedings of... | ||
| 110 | _aUnited Nations Industrial Development Organization, Vienna | ||
| 260 |
_aNew York _bUnited Nations _c1971 |
||
| 300 | _a24 p. | ||
| 080 |
_a666.7(6) _bU6 |
||
| 041 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c104628 _d104628 |
||