@book {9783402198087, title = "Die mittelalterlichen Traktate De modo opponendi et respondendi", author = "Rijk, L M de", isbn = "9783402198087", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783402198087", url = "https://content-select.com/de/portal/media/view/60421704-cbe4-4986-a005-5a28b0dd2d03", publisher = "Aschendorff Verlag", language = "ger", }