TY  - RPRT
TI  - Performance of Fram paper filters, Model CA-100PL 
AU  - Coblentz, Carl W
AU  - Watson, Thomas W
PY  - 1955
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 4022
DO  - 10.6028/NBS.RPT.4022
ER  -