000 00331nam a2200133Ia 4500
008 170324s9999 xx 000 0 und d
082 _a574.526
100 _a"Loeb, Stanford L., Spacie, Anne"
245 0 _aBiological monitoring of aquatic systems
260 _bLewis Publishers
260 _c1994
365 _b0.00
942 _cBK
999 _c7448
_d7448