TY  - RPRT
TI  - Performance tests of cleanable impingement-type air filters (type 44G) 
AU  - Robinson, Henry E
AU  - Watson, Thomas W
PY  - 1953
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 2846
DO  - 10.6028/NBS.RPT.2846
ER  -