@book{281823, author = {Pacha, Julia. and Giesen, Richard and Ludwig-Maximilians Universität (Monachium).}, title = {Crowdwork :}, publisher = {ZAAR Verlag,}, year = {2018.}, series = {ZAAR-Schriftenreihe / herausgegeben von Richard Giesen, Abbo Junker und Volker Rieble,}, address = {München :} }