TY  - RPRT
TI  - Ventilation effectiveness in mechanically ventilated office buildings 
AU  - Persily, Andrew K
PY  - 1985
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 85-3208
DO  - 10.6028/NBS.IR.85-3208
ER  -