@book { BauenamWasser,
    title = "Bauen am Wasser",
    author = "Andreas {Kachel}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836620475",
    url = "https://m.diplom.de/document/226236"
}