TY  - RPRT
TI  - Letter Circular 1000: publications relating to building construction and maintenance (supersedes Letter Circular 985)
PY  - 1951
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 1000
DO  - 10.6028/NBS.LCIRC.1000
ER  -