TY  - RPRT
TI  - Sprinkler-vent and spray nozzle systems for fire protection of openings in fire resistive walls and ceilings - the state-of-the-art and a plan for future research work 
AU  - O'Neill, John G
PY  - 1979
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 78-1571
DO  - 10.6028/NBS.IR.78-1571
ER  -