@book { ShelterRockCoveEinSommeramMeer,
    title = "Shelter Rock Cove – Ein Sommer am Meer",
    author = "Barbara {Bretton} and Ursula {Wulfekamp}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/1037468"
}