TY - GEN AU - Danielson, B. C2 - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD DA - 1981-02-01 00:02:00 LA - en PB - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD PY - 1981 TI - Backscatter Measurements in Optical Fibers ER -