TY  - RPRT
TI  - Letter Circular 891: publications relating to building codes and construction practice home building -- building material specifications -- home maintenance (superseding Letter Circular 858)
PY  - 1948
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 891r1948
DO  - 10.6028/NBS.LCIRC.891r1948
ER  -