Bieling, Simon2018-10-092018-10-092017https://www.uni-muenster.de/Ejournals/index.php/pop/article/view/2192/2097https://mediarep.org/handle/doc/3842deuDesignWareMarketing30010.25969/mediarep/1755nbn:de:hbz:6:3-pop-2017-209752198-0322