TY  - BOOK
AU  - Heyman,Jacques
TI  - Arches, vaults and buttresses:: masonry structures and their engineering 
T2  - Collected studies
SN  - 0860785971
PY  - 1996///
CY  - Aldershot
PB  - Variorum
KW  - Building
KW  - Europe
KW  - History
KW  - Architecture, Medieval
KW  - Masonry
KW  - Structural design
ER  -