000 00310nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aRobert G.Wetzel
245 0 _aLimnology
250 _a2nd Ed
260 _aTokyo
260 _bSaunders college
260 _c1983
650 _aLimnology
942 _cBK
999 _c12610
_d12610