000 00274nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a301.001.5
_bBAB
100 _aBabbie, E R
245 0 _aPractice of social research
260 _aCalifornia
_bWadsworth
_c1975
942 _cBK
999 _c29702
_d29702