| 000 | 00335 a2200133 4500 | ||
|---|---|---|---|
| 008 | 140109b xxu||||| |||| 00| 0 eng d | ||
| 040 | _aCIFRI LIBRARY | ||
| 100 | 1 | _aHelmer, R. | |
| 245 |
_aWater pollution control _cR. Helmer and I. Herphanol |
||
| 300 | _ap | ||
| 650 | _aWater pollution | ||
| 700 | 1 | _aHerphanol, I. | |
| 942 |
_2ddc _cBK |
||
| 999 |
_c5619 _d5619 |
||