@book { DieklassischeReitkunst,
    title = "Die «klassische Reitkunst»",
    author = "Heinz {Meyer}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01999-5",
    url = "https://www.peterlang.com/document/1046254"
}