@book { UnternehmensverkaufundasymmetrischeInformation,
    title = "Unternehmensverkauf und asymmetrische Information",
    author = "Serge {Ragotzky}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096137"
}