TY  - RPRT
TI  - Performance tests of a "Dust-Stop" throwaway-type air filter 
AU  - Watson, Thomas W
AU  - Robinson, Henry E
PY  - 1957
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 4972
DO  - 10.6028/NBS.RPT.4972
ER  -