TY - JOUR AU - Herrmann, Philipp AU - Möller, Michael DA - 2016 PB - Universitätsbibliothek DP - Universität Paderborn LA - eng PY - 2016 SP - 1 Online-Ressource (24 Seiten) TI - Is it always best to be on top? The effect of ad positioning on key performance indicators in search engine advertising UR - https://nbn-resolving.org/urn:nbn:de:hbz:466:2-27377 Y2 - 2026-01-11T18:51:45 ER -