000 00318nam a2200133Ia 4500
005 20250114223820.0
008 250113s9999 xx 000 0 und d
041 _aeng
082 _aY1m7311:N34
245 _aSocial Research Vol. 30
260 _c1963
_bUniv. Of Wisconsin
_aMadison
300 _a551p
365 _cRs.
999 _c131281
_d131281