TY  - BOOK
AU  - Wickham, C.J.
TI  - The mountains and the city : the Tuscan Appennines in the early Middle Ages
SN  - 0-19-821966-0
PY  - 1988///
CY  - Oxford 
PB  - Clarendon Press
N1  - Бібліогр. : с. 392-409
ER  -