Editorial: Special issue on bystanders of online aggression - Machackova, Hana and Pfetsch, Jan and Steffgen, Georges (Cyberpsychology: Journal of Psychosocial Research on Cyberspace, 2018)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuNTgxNy9jcDIwMTgtNC14eA