@book{ title = "Een spiegel der waerheit ^[,mittelniederländ.]", author = "Hendrik,Mertens, Thom", year = "1984", publisher = "Lukassen", address = "Erftstadt", language = "dut", howpublished = "print", isbn = "3923769105", keywords = "Mysticism,Early works to 1800,Catholic Church", series = "Veröffentlichungen des Instituts für Niederländische Philologie der Universität zu Köln, 7", }