TY  - RPRT
TI  - Letter Circular 754: sweeping compounds (also known as floor sweep and dust down) (supersedes Letter Circular 340)
PY  - 1944
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 754
DO  - 10.6028/NBS.LCIRC.754
ER  -