TY - BOOK AU - Mcelhanney, T.A. AU - Perry, R.S. TI - Some commercial softwoods of british columbia: Their mechanical and physical properties U1 - P 634.982 21st ed. PY - 1927/// CY - Ottawa PB - The Forest Products Laboratories KW - Softwood KW - Description of woods tested KW - Mechanical and physical properties N1 - Department of the interior, Forest Service - Bulletin No. 78 ER -