{"id":"000454248","type":"article","title":"The finger calculus in antiquity and in the middle ages","pages":"1-9","container-title":"Frühmittelalterliche Studien. Jahrbuch des Instituts für Frühmittelalterforschung der Universität Münster, 5.1971","author":[{"family":"Alföldi-Rosenbaum","given":"Elisabeth"}],"issued":{"raw":"1971"}}