000 00285nam a2200121Ia 4500
008 170324s9999 xx 000 0 und d
082 _a574.526
100 _a"Schmitz, Richard J."
245 0 _aIntroduction to water pollution biology
260 _c1996
365 _b0.00
942 _cBK
999 _c8419
_d8419