000 00386nam a2200133Ia 4500
008 240531s9999 xx 000 0 und d
020 _a978 0 89859 549 9
082 _a616 8914 LEV
100 _aLevine,Fredric M
245 0 _aConceptualization in psychotherapy : the models approach
650 _aOPERANT CONDITIONING
942 _cNF
999 _c368663
_d368663