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Characterisitic properties of sawn timber graded according to NEN 5461, NEN 5466 and NEN 5480

Hans Joachim Blass

出版	Delft University of Technology, Faculty of Civil Engineering, Division Mechanics & Structures, Section Timber Structures, 1993
URL	http://books.google.com.hk/books?id=1QXDGwAACAAJ&hl=&source=gbs_api