000 00264nam a2200109Ia 4500
008 140122s9999 xx 000 0 und d
082 _a591 Gower A.M
100 _aGower A M
245 _aWater quality in catchment ecosystems
260 _b
_c1980
942 _cBK
_2ddc
999 _c4125
_d4125