000 00283nam a2200121Ia 4500
008 170324s9999 xx 000 0 und d
082 _a574.526
100 _a"Gopal, B., Wetzel, R.G."
245 0 _aLimnology in developing countries
260 _c1995
365 _b0.00
942 _cBK
999 _c8331
_d8331