| 000 | 00528 a2200169 4500 | ||
|---|---|---|---|
| 999 |
_c35235 _d36782 |
||
| 003 | ISURa | ||
| 008 | 170114b xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEnglish | ||
| 082 |
_a691.05 _bBOG |
||
| 100 |
_aBogahawatte , V.T.L. _927316 |
||
| 245 | _aBuilding materials in Sri Lanka | ||
| 260 |
_c1993 _aColombo _bNatural Resources Energy and Science Authority _g1993 |
||
| 300 |
_bill. _c21 cm. _a39 p. |
||
| 440 |
_aScience education series _926449 |
||
| 650 |
_aBuilding Materials - Serial Publications _927317 |
||
| 942 |
_cSR _2ddc |
||