Putting the fear back into fear appeals: The extended parallel process model - Witte, Kim (Communication Monographs, 1992)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA4MC8wMzYzNzc1OTIwOTM3NjI3Ng