TY - GEN AU - Pella, Peter A AU - Hughes, Ernest E AU - Taylor, John K C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1973-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.73-261 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1973 TI - A gas dilution system for hydrogen fluoride-air mixtures: ER -