00261nam a2200109Ia 4500008004100000041001200041082001100053100001500064245005900079260000600138650000700144221030s9999    xx            000 0 und d  aEnglish  a105.23  aD. S. Tull 0aMarketing Research Measurement & Methodcby D. S. Tull  c0  aMb