TY  - BOOK
AU  - Sunley, J.G.
TI  - Forest products research: grade stresses for structural timber 
U1  - 634.98 
PY  - 1968///
CY  - London
PB  - Her Majesty's Stationary Office
KW  - Forest products
KW  - Forest protection
KW  - Timber
KW  - Grading
N1  - Bulletin no. 47 for visually and mechanically graded materials; Includes bibliographical references
ER  -