TY  - RPRT
TI  - Letter Circular 810: the painting of exterior wood surfaces (superseding Letter Circular 603)
PY  - 1945
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 810
DO  - 10.6028/NBS.LCIRC.810
ER  -