@book { DieNeuerungendesIAS19Pensionsrckstellungen, title = "Die Neuerungen des IAS 19: Pensionsrückstellungen", author = "Marie-Theres {König}", year = "2015", publisher = "BACHELOR + MASTER PUBLISHING", address = "Hamburg, Deutschland", url = "https://m.bachelor-master-publishing.de/document/297416" }