TY  - BOOK
AU  - Sunley, J. G.
TI  - Working stresses for structural timbers, for visually and ,mechanically graded material
T2  - Forest Products Research. Bulletin
U1  - 620.12 
PY  - 1965///
CY  - London
PB  - Her Majesty's Stationery Office
KW  - Madera
KW  - Propiedades y usos
KW  - Tecnología
ER  -