| 000 | 00397nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180611s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aen | ||
| 082 | _a666 | ||
| 100 | _aOpen university of Sri lanka | ||
| 245 | 0 | _aTopics in industrial chemistry- part II: cement,industrial wastes and pollution | |
| 260 |
_bNawela. The open university o _cf Sri lanka1990 |
||
| 300 | _a[8],iv,68p | ||
| 942 | _cLL | ||
| 999 |
_c30894 _d30894 |
||