TY - GEN AU - Gans, W L AU - Nahman, N S AU - Andrew, J R AU - Baldwin, E E C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2000-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.6550 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2000 TI - Pulse transition duration measurements and standards at NBS - 1975 to 1988: ER -