TY - GEN AU - Gordon, Charles C C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.74-589 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - Instruction and technical manual for prototype landing signal officer's display system: ER -