000 00303nam a2200097Ia 4500
008 220505s1978 xx 000 0 und d
041 _aeng
245 _aTheory construction and data analysis in the behavioral sciences
260 _aLondon
_bJossey-Bass Publishers
_c1978
650 _aSOCIAL SCIENCE
_9684510
999 _c469517
_d469517