TY  - RPRT
TI  - Performance tests of two 1-inch Glasfloss throwaway-type air filters (in tandem) 
AU  - Robinson, Henry E
AU  - Watson, Thomas W
PY  - 1955
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 4150
DO  - 10.6028/NBS.RPT.4150
ER  -