00423nam a2200169 a 450000500170000002000150001708200180003210000200005010000230007010000210009324500220011425000120013626000320014830000280018063000220020863000230023020251202164217.0  a0030229790  a658.8342bENG  aEngel, James F.  aBlackwell, Roger D  aMiniard, Paul W.  aConsumer behavior  a6th ed.  aChicagobDryden Pressc1990  axxvii,789p.c25 cm.bHB  aConsumer behavior  aMarketing research