TY  - RPRT
TI  - Stairwell pressurization systems 
AU  - Benjamin, Irwin A
AU  - Klote, John H
PY  - 1979
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 79-1747
DO  - 10.6028/NBS.IR.79-1747
ER  -