| 000 | 00415nam a2200181 4500 | ||
|---|---|---|---|
| 020 |
_a _c |
||
| 082 | _a577.6 WIL-F | ||
| 100 | _aWilloughby, L G | ||
| 245 | _aFreshwater biology | ||
| 250 | _a | ||
| 260 |
_aHutchinson & Company, London _c1976 |
||
| 300 | _a | ||
| 490 | _a | ||
| 500 | _a | ||
| 590 |
_aSUB _b _c |
||
| 650 | _aAquatic ecology-- Fresh water ecology-- Pond ecology-- Limnology | ||
| 942 | _cBK | ||
| 999 |
_c541291 _d541291 |
||