@book {9783402162132, title = "Die Schriftlesung im Kathedraloffizium Jerusalems.", author = "Zerfass, Rolf", isbn = "9783402162132", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783402162132", url = "https://content-select.com/de/portal/media/view/604216fd-9b10-46d7-9c53-5a28b0dd2d03", publisher = "Aschendorff Verlag", }