TY  - RPRT
TI  - Circular of the Bureau of Standards no. 189: recommended specification for quicklime and hydrated lime for use in the absorption of carbon dioxide
PY  - 1924
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 189
DO  - 10.6028/NBS.CIRC.189
ER  -