TY  - RPRT
TI  - Letter Circular 502I: investigation of plastic caulking materials for low-cost housing construction
PY  - 1937
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 502I
DO  - 10.6028/NBS.LCIRC.502I
ER  -