@book { DiefreienOrgelwerkeDieterichBuxtehudes,
    title = "Die freien Orgelwerke Dieterich Buxtehudes",
    author = "Michael {Belotti} and Michael {Belotti}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097073"
}