| 000 | 004770000a22001570004500 | ||
|---|---|---|---|
| 999 |
_c65803 _d65803 |
||
| 027 |
_aSLS 721 _q1985 |
||
| 041 | _aeng | ||
| 942 | _cSD | ||
| 110 | _aSri Lanka Standards Institution, Colombo LK | ||
| 245 | _aSLS : 721 : 1985 : Tolerance limits for industrial and domestic effluents discharged into marine coastal areas | ||
| 260 |
_aColombo _bSLSI _c1985 |
||
| 500 | _aSTD2895 | ||
| 650 | _aa628.393:628.311 | ||
| 650 | _aSRI LANKA-STANDARDS | ||
| 650 | _aSTANDARDS-SRI LANKA | ||