000			00313nam a2200109Ia 4500
001			106862
008			170722s9999 xx 000 0 und d
100			_aWhitehead, T. N.
245			_aIndustrial worker : _b a statistical study of human relations in a group of manual workers 2V /
260			_c1938.
942			_cGEN
999			_c38901 _d38901