{"id":"001172556","type":"book","title":"Conrad of Querfurt and Petrarch on the location of the Vergilian underworld (With an appendix on Petrarch's Avernian sources)","pages":"261-272","container-title":"Papers of the British School at Rome, 64 (1996","author":[{"family":"Clark","given":"Raymond J."}],"issued":{"raw":"1996"}}