TY  - RPRT
TI  - Simulated use tests of substitute duct materials 
AU  - McDorman, O N
AU  - Achenbach, Paul R
PY  - 1953
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 2541
DO  - 10.6028/NBS.RPT.2541
ER  -