@book { InduktionundBeobachtung,
    title = "Induktion und Beobachtung",
    author = "Dennis {Graemer}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17405",
    url = "https://www.peterlang.com/document/1111563"
}