| 000 | 00297nam a22000977a 4500 | ||
|---|---|---|---|
| 082 | _a628.1688 RYD.M9 | ||
| 245 |
_aControl of eutrophication of lakes and reservoirs _cRyding, Sven Olof; Rast, Walter |
||
| 260 |
_aUK _bParthnon Publishing Group Limited _c1989 |
||
| 300 | _a314p. | ||
| 942 |
_2ddc _cUN&WB |
||
| 999 |
_c742382 _d742382 |
||