@book { DieVillaamSeerosenteich,
    title = "Die Villa am Seerosenteich",
    author = "Christian {Pfannenschmidt}",
    year = "2019",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955202743",
    url = "https://m.dotbooks.de/document/229742"
}