| 000 | 00352nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1970 xx 000 0 und d | ||
| 082 | _a628.168 V39A | ||
| 100 | _aVELZ, Clarence J. | ||
| 245 | 0 | _aApplied stream sanitation | |
| 260 |
_bN.Y. _c1970 |
||
| 300 | _a619p | ||
| 650 | _aWATER - POLLUTION | ||
| 653 | _aWATER - POLLUTION | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c46802 _d46802 |
||