TY - RPRT TI - Measurement of multimode optical fiber attenuation : an NBS special test service AU - Gallawa, R L AU - Chamberlain, G E AU - Day, G W AU - Franzen, D L AU - Young, M PY - 1984 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 83-1691 DO - 10.6028/NBS.IR.83-1691 ER -