Man and environment. The protection afforded in the late Middle Ages for mountain and hill areas in the Apennines of the Marche region. Part One: the municipal statutes of Sefro and Fiastra Vittorio Gualdi 355-369 2018-05-04
Man and environment. The protection afforded during the late Mediaeval period for hill and mountain areas in the Apennines of the Marche region. Part two Vittorio Gualdi 247-259 2019-04-18