000 00326nam a2200133Ia 4500
008 170324s9999 xx 000 0 und d
082 _a574.526
100 _a"Lowe-McConnell, R.H."
245 0 _aFunctioning of freshwater ecosystems
260 _bCambridge University Press
260 _c1980
365 _b0.00
942 _cBK
999 _c7411
_d7411