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Knab, L. I.; Yokel, F. Y.; Galligan, W. L.; Bendtsen, B. A.; Senft, J. F.
view article (1.0)Study of Lumber Used for Bracing Trenches in the United States. Building Science Series (Final).National Bureau of Standards, Washington, DC; Forest Products Laboratory, Madison, WI; Purdue Univ., West Lafayette, INNBS BSS 122Department of Labor, Washington, DC, NBS BSS 122
March 1980