00389nam a2200145Ia 4500008004100000020001500041082001400056100001900070245003800089260005400127300000800181650001800189650001800207653001800225170901s1969    xx            000 0 und d  a0340053909  a575bA78S  aArthur, Don R. 0aSurvivalbMan and his Environment  aLondonbThe English Universities Press Ltd.c1969  a218  aLife sciences  aPure Sciences  aHuman ecology