| 000 | 00456 a2200157 4500 | ||
|---|---|---|---|
| 041 | _aEn | ||
| 082 |
_a691.05 _bBOG |
||
| 100 | _aBogahawatte , V.T.L. | ||
| 245 | _aBuilding materials in Sri Lanka | ||
| 260 |
_c1993 _aColombo _bNatural Resources Energy and Science Authority _g1993 |
||
| 300 |
_c20 cm. _a[vi],39 p. |
||
| 440 | _aScience education series, no.32 | ||
| 650 | _aBUILDING MATERIALS - SERIAL PUBLICATIONS | ||
| 650 | _aBUILDINGS | ||
| 942 | _cSR | ||
| 999 |
_c15340 _d16887 |
||