@book { DieErheblichkeitsschwelledes3UWG,
    title = "Die Erheblichkeitsschwelle des § 3 UWG",
    author = "Martin {Drews}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00104-4",
    url = "https://www.peterlang.com/document/1044615"
}