TY - GEN AU - W Gans AU - N. Nahman AU - J Andrews AU - E Baldwin C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2000-08-01 12:08:00 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2000 TI - Pulse Transition Duration Measurements and Standards at NIST -- 1975 to 1988 ER -