| 000 | 00412 a2200145 4500 | ||
|---|---|---|---|
| 020 | _a9559017098 | ||
| 082 |
_a333.7 _bPER |
||
| 090 |
_c15083 _d22612 |
||
| 100 | _aPerera, H.D.B.S. | ||
| 245 | _aTrend analysis of the use of naturl resources in the construction industry | ||
| 260 |
_aColombo _bThe Department of National Planning _c2002 _g2002 |
||
| 300 |
_avi,53p. _c29cm |
||
| 650 | _aEnvironment | ||
| 942 | _cPR | ||
| 999 |
_c43219 _d43219 |
||