| 000 | 00331nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 151011s9999 xx 000 0 und d | ||
| 041 | _aENG | ||
| 245 | _aMethods and measurements of periphyton communities : a review | ||
| 260 |
_c1979 _aPhiladelphia _bAmerican Society for Testing and Materials |
||
| 300 | _a183p. | ||
| 942 |
_cBK _2udc |
||
| 999 |
_c21144 _d21144 |
||