000			00304nam a2200121Ia 4500
008			160921s9999 xx 000 0 und d
020			_a03-085462-8
100			_aKERLINGER N. FRED
245			_aFOUNDATIONS OF BEHAVIORL RESERCH
260			_bHOLT RINEHART WINSTON _c1973
300			_a741
942			_cBK
999			_c10616 _d10616