@book { EinHeidschnuckenschafverliebtsich,
    title = "Ein Heidschnuckenschaf verliebt sich",
    author = "Ina {May}",
    year = "2013",
    publisher = "TUBUK.digital",
    address = "München, Deutschland",
    doi = "10.3239/9783955950149",
    url = "https://tubuk.openpublishing.com/document/212140"
}