@book { DerdaseinPracticauTeutschenTractatenwilllernen,
    title = "«Der da sein Practic auß Teutschen Tractaten will lernen»",
    author = "Piotr {Wittmann}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05446-0",
    url = "https://www.peterlang.com/document/1049322"
}