Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Wolfgang, Lenora D. and Chrétien, de Troyes, 12th cent.",Bliocadran : a prologue to the Perceval of Chrétien de Troyes : edition and critical study,,Niemeyer,1976,Beihefte zur Zeitschrift für romanische Philologie,,3484520558,,https://cir.nii.ac.jp/crid/1130282270526614144