TY  - RPRT
TI  - Letter Circular 648: home heating problems: list of publications and articles (superseding Letter Circular 284)
PY  - 1941
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 648r1941
DO  - 10.6028/NBS.LCIRC.648r1941
ER  -