Beregow, Elena2018-10-092018-10-092017https://www.uni-muenster.de/Ejournals/index.php/pop/article/view/2197/2102https://mediarep.org/handle/doc/3841deuIn CopyrightModeSinneMarketing30010.25969/mediarep/1754nbn:de:hbz:6:3-pop-2017-210242198-0322