@book{ZirfasKrebsKlepackietal., author = {Zirfas, J{\"o}rg and Krebs, Moritz and Klepacki, Leopold and Burghardt, Daniel and Lohwasser, Diana and Noack Napoles, Juliane and Klepacki, Tanja}, title = {Das 20. Jahrhundert}, publisher = {Sch{\"o}ningh}, address = {Paderborn}, isbn = {978-3-657-79129-3}, pages = {375}, language = {de} }