TY  - RPRT
TI  - Performance test of an automatic renewable filter media : manufactured by United States Gypsum Company Des Plaines, Illinois
AU  - Coblentz, Carl W
AU  - Achenbach, Paul R
PY  - 1963
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS report ; 7891
DO  - 10.6028/NBS.RPT.7891
ER  -