@book { StrategischesPreismanagement,
    title = "Strategisches Preismanagement",
    author = "Tobias {Meffert}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01449-5",
    url = "https://www.peterlang.com/document/1054162"
}