@book { OttoDixandtheFirstWorldWar, title = "Otto Dix and the First World War", subtitle = "Grotesque Humor, Camaraderie and Remembrance", author = "Michael {Mackenzie}", year = "2019", publisher = "Peter Lang Verlag", address = "Oxford, United Kingdom", doi = "10.3726/b13361", url = "https://www.peterlang.com/document/1056900" }