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All you ever wanted to know about fortifications but never asked
Walls and Gardens
出版Kingdom London, 2014-12-11
主題History / Military / GeneralHistory / Military / Strategy
URLhttp://books.google.com.hk/books?id=gOnOBQAAQBAJ&hl=&source=gbs_api
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註釋

An introduction to the history of fortifications and their building technology.