TY  - RPRT
TI  - Letter Circular 502K: ventilation problems (including air infiltration of windows and doors) as related to low-cost housing
PY  - 1938
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 502K
DO  - 10.6028/NBS.LCIRC.502K
ER  -