TY - GEN AU - B L Dabielson AU - C D Whittenberg C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1988-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.88-3091 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1988 TI - Group index and tome delay measurements of a standard reference fiber: ER -