@book { DenneswarSommerGeschichtenrundumSonneStrandundMeer,
    title = "Denn es war Sommer ... Geschichten rund um Sonne, Strand und Meer",
    author = "V. {Klostermann} and H. {Banaszak} and S. {Heichel} and I. {May} and F. {Cessair} and J. {Franz} and S. {Kuchler}",
    year = "2013",
    publisher = "TUBUK.digital",
    address = "München, Deutschland",
    doi = "10.3239/9783955950125",
    url = "https://tubuk.openpublishing.com/document/210409"
}