TY  - RPRT
TI  - Letter Circular 464: wood and shingle stains (superseding Letter Circular 64)
PY  - 1936
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 464
DO  - 10.6028/NBS.LCIRC.464
ER  -