@book { Benchmarking,
    title = "Benchmarking",
    subtitle = "Rechtliche Einordnung unter besonderer Berücksichtigung des Kartellrechts",
    author = "Philip {Bierbach}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093911"
}