{"id":"001261402","type":"book","title":"Pieniądz pozakruszcowy a powstanie rynku u Słowian we wczesnym średniowieczu","pages":"7-23","container-title":"Śląskie Prace Prahistoryczne, 3 (1994","author":[{"family":"Boroń","given":"Piotr"}],"issued":{"raw":"1994"}}