ITEM: Up for sale is this vintage Bell System Technical Journal, Volume 55, July-August 1976, Number 6. Good shape, all original. Includes the following articles: 

J. G. Evans and   

              F. W. Kerfoot and   

                  R. L. Nichols   Automated Network Analyzers for the 0.9-

                                  to 12.4-GHz Range  . . . . . . . . . . . 691--721

                A. E. Rosenberg   Evaluation of an Automatic

                                  Speaker-Verification System Over

                                  Telephone Lines  . . . . . . . . . . . . 723--744

                     P. Balaban   Statistical Evaluation of the Error Rate

                                  of the Fiberguide Repeater Using

                                  Importance Sampling  . . . . . . . . . . 745--766

               V. Ramaswamy and   

                 R. D. Standley   A Phased, Optical, Coupler-Pair Switch   767--775

                     D. Marcuse   Mode Mixing With Reduced Losses in

                                  Parabolic-Index Fibers . . . . . . . . . 777--802

                    J. A. Lewis   The Boundary Layer in a Concentrated,

                                  Multicomponent Electrolyte . . . . . . . 803--824

                      Anonymous   Contributors to this Issue . . . . . . . 825--826

                      Anonymous   Abstracts of Papers by Bell System

                                  Authors Published in Other Journals  . . 827--830

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