TY  - BOOK
AU  - Brice, Martin
TI  - Forts and fortresses : from the hillforts of prehistory to modern times -the definitive visual account of the science of fortification
U1  - 725.18 
PY  - 1990///
CY  - New York
PB  - Facts on File
KW  - England
KW  - Fortification
KW  - Military history
KW  - Siege warfare
KW  - Defensive (Military science)
KW  - Castles
N1  - ENG
ER  -