| 000 | 00352nam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 130729b xxu||||| |||| 00| 0 eng d | ||
| 050 |
_aQH541.5 _b.F7.G85 1972 |
||
| 245 | _aA GUIDE TO THE STUDY OF FRESWATER ECOLOGY | ||
| 260 |
_aNEW YORK _bPRENTICE-HALL _c1972 |
||
| 300 |
_aix,182p.; _c22cm. |
||
| 942 |
_2lcc _cBK _hQH541.5.F7.G85 1972 |
||
| 999 |
_c90197 _d90197 |
||