| 000 | 00680 a2200301 4500 | ||
|---|---|---|---|
| 001 | 2062 | ||
| 020 | _a1 | ||
| 041 | _aeng | ||
| 080 | _a628.54:58 Wol-1 | ||
| 245 | _aWater hyacinths for upgrading sewage lagoons to meet advanced wastewater treatment standards | ||
| 250 | _a | ||
| 260 | _aSt. Louis | ||
| 260 | _bNational Space Technology Lab., | ||
| 260 | _c1975 | ||
| 300 | _apt.1 | ||
| 300 | _c27 cm | ||
| 490 | _a | ||
| 100 | _aWolverton, B.C. | ||
| 700 | _aMcDonald, R.C. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aWater hyacinth | ||
| 650 | _aWater-Pollution | ||
| 650 | _aSewage-Purification | ||
| 650 | _aSewage lagoons | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c2690 _d2690 |
||