TY  - RPRT
TI  - Letter Circular 1006: house plan services (supersedes Letter Circular 927)
PY  - 1955
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 1006
DO  - 10.6028/NBS.LCIRC.1006
ER  -