@book { OttoFreundlich18781943,
    title = "Otto Freundlich (1878–1943)",
    author = "Lena {Reichelt}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b10533",
    url = "https://www.peterlang.com/document/1050771"
}