000			00349nam a2200145Ia 4500
008			210716s1961 xx 000 0 und d
041			_aeng
082			_a304.2 THEG
100			_aTheodorson, George A.
245			_aStudies in human ecology.
250			_a1
260			_aNew York _bHarper and Row _c1961
300			_axiii,626
650			_aNone
999			_c200572 _d200572