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Structural Properties of Conventional Wood-frame Constructions for Walls, Partitions, Floors, and Roofs

George E. Heck

出版	U.S. Department of Commerce, National Bureau of Standards, 1939
URL	http://books.google.com.hk/books?id=JpjOdNNGa44C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN