@book { RudolfAlexanderSchrder18781962,
    title = "Rudolf Alexander Schröder (1878-1962)",
    author = "Hans-Albrecht {Koch}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03926-9",
    url = "https://www.peterlang.com/document/1048209"
}