000 00288nam a2200121Ia 4500
001 23260
008 170722s9999 xx 000 0 und d
100 _aBrewer, Richard
245 _aPrinciples of ecology /
260 _bWB saunders co ,
_c1979.
300 _aVI+300
_c23cms
942 _cGEN
999 _c97675
_d97675