000 00486nam a2200193Ia 4500
008 170901s1980 xx 000 0 und d
020 _a9061937515
082 _a574.526322
_bB27H
100 _aBarica, J.
245 0 _aHypertrophic Ecosystems
260 _aBoston
_bDr. W. Junk B. V. Publishers
_c1980
300 _a348
650 _aLife sciences
650 _aPure Sciences
653 _aAquatic ecology
653 _aEutrophication
700 _aMur, L. R.
942 _2ddc
_cBK
999 _c6821
_d6821