@book { RealittundTranszendenz,
    title = "Realität und Transzendenz",
    author = "Bettina {Eberspächer}",
    year = "1987",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12682",
    url = "https://www.peterlang.com/document/1067100"
}