000 00425nam a2200169Ia 4500
008 160601s9999 xx 000 0 und d
020 _a803906544
100 _aAsher, Herbert B
_935515
245 _aCausal modelling
260 _aLondon
260 _bSage publishers, inc.
260 _c1976
300 _a80 p.; 18cm.
650 _aCausality
_935516
650 _aCausation
_935517
650 _aSimon and Blalock
_935518
999 _c11940
_d11940