000 00409nam a2200157Ia 4500
008 170324s9999 xx 000 0 und d
082 _a363.739
100 _a"Gray, John S."
245 0 _aManual of methods in aquatic environment research
260 _b"Food and Agricultural Organization of the United Nations,"
260 _c1992
365 _b0.00
700 _aBischof
700 _aKai
942 _cBK
999 _c4149
_d4149