000 00314nam a2200121Ia 4500
008 240531s9999 xx 000 0 und d
020 _a435343696
082 _a304 2 GRA
100 _aGraves, Normen.
245 0 _aPeople and environment:a world perspective.
260 _a London
_bHeineman
_c1987
942 _cANF
999 _c309435
_d309435