TY  - RPRT
TI  - Letter Circular 759: thermal insulation of dwelling houses (supersedes Letter Circular 471)
PY  - 1944
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 759
DO  - 10.6028/NBS.LCIRC.759
ER  -