000 00358nam a2200145Ia 4500
008 170101s1990 xx 000 0 und d
082 _a301.3 G62E
100 _aGRACE, Mary
245 0 _aEcological decision-making for the future
260 _bMichigan
_c1990
300 _a174p
650 _aHUMAN ECOLOGY
653 _aHUMAN ECOLOGY
942 _2ddc
_cB
999 _c122899
_d122899