TY - GEN AU - S Treado AU - C Franciso AU - D Holland C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1984-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.84-2974 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1984 TI - CEL-1 user's guide update: ER -