000			00338nam a2200133Ia 4500
005			20250114223820.0
008			250113s9999 xx 000 0 und d
041			_aeng
082			_aY1m7311:N34
245			_aSocial Research Vol. 35: 1-4 : 1968
260			_c1968 _bNew School For Soc. Rese. _aNew York
300			_a741p
365			_cRs.
999			_c131278 _d131278