TY  - BOOK
AU  - Calkins,Robert G.
TI  - Medieval architecture in Western Europe : : from a.d. 300 to 1500 
SN  - 0-19-511241-5
PY  - 1998///
CY  - New York ; , Oxford : 
PB  - Oxford University Press, 
KW  - Arquitectura Medieval-
KW  - Europa
ER  -