| 000 | 00490 a2200253 4500 | ||
|---|---|---|---|
| 001 | 9353 | ||
| 020 | _a3 | ||
| 041 | _aeng | ||
| 080 | _a628.3. | ||
| 245 | _aLOW-MAINTENANCE, MECHANICALLY SIMPLE WASTE WATER TREATMENT SYSTEMS. | ||
| 250 | _a | ||
| 260 | _a | ||
| 260 | _bMCGRAW-HILL, NEW YORK,C1 | ||
| 260 | _c1980 | ||
| 300 | _ap.viii,211, 22.5cm., | ||
| 300 | _c | ||
| 490 | _a | ||
| 100 | _aRich, L.G.\ | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _a | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c11053 _d11053 |
||