@book { DHCPv6PrfixDelegation,
    title = "DHCPv6-Präfix-Delegation",
    author = "Bilal {Al Bakri}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/306238"
}