Media type: E-Article Title: Messung und Analyse der Online-Werbeeffizienz Contributor: Bauer, Hans H.; Hammerschmidt, Maik; Hartung, Rüdiger; Shenawai, Nico imprint: Verlag C.H.Beck oHG, 2010 Published in: Controlling Language: Not determined DOI: 10.15358/0935-0381-2010-2-83 ISSN: 0935-0381 Keywords: General Earth and Planetary Sciences ; General Environmental Science Origination: Footnote: