000 00345nam a2200145Ia 4500
008 170101s1991 xx 000 0 und d
082 _a574.5 E79M
100 _aESSER, G.
245 0 _aModern ecology; basic and applied aspects
260 _bAmsterdam
_c1991
300 _a844p
650 _aECOLOGY
653 _aECOLOGY
942 _2ddc
_cB
999 _c106988
_d106988