TY  - BOOK
AU  - Armstrong, F.H.
TI  - Flooring hardwoods their wear and anatomical structure
U1  - 634.972 21st ed
PY  - 1948///
CY  - London
PB  - Her majesty's stationery office
KW  - ring porous hardwoods
KW  - experimental material
KW  - timber
N1  - Department of scientific and industrial research, forest products research
ER  -