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                     | Bell System Technical Journal, v54: i2 February 1975 |  
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Table of Contents
| Page(s) | Article Title | Author(s) | 
|---|
 | 209-243 | Echo Performance of Toll Telephone Connections in the United States | Duffy, F.P.; McNees, G.K.; Nasell, I.; Thatcher, T.W. Jr. |  | 245-262 | Optical-Fiber Packaging and Its Influence on Fiber Straightness and Loss | Gloge, D. |  | 263-283 | Resonant-Grid Quasi-Optical Diplexers | Arnaud, J.A.; Pelow, F.A. |  | 285-296 | An Optical-Frequency Pulse-Position-Modulation Experiment | Holden, W.S. |  | 297-315 | An Algorithm for Determining the Endpoints of Isolated Utterances | Rabiner, L.R.; Sambur, M.R. |  | 317-334 | Analysis of Specially Doped Varactors for Direct Frequency Tripling | Ahamed, S.V. |  | 335-368 | New Results From a Mathematical Study of an Adaptive Quantizer | Mitra, Debasis |  | 369-406 | Cyclic Equalization--A New Rapidly Converging Equalization Technique for Synchronous Data Communication | Mueller, K.H.; Spaulding, D.A. |  | 407-420 | Applications of Group Theory to Connecting Networks | Benes, V.E. |  | 421-434 | Proving the Rearrangeability of Connecting Networks by Group Calculations | Benes, V.E. |  | 435-450 | Some Effects of Measurement Errors on Rain Depolarization Experiments | Cox, D.C. |  | 451-455 | Permanent Multiple Splices of Fused-Silica Fibers | Dabby, F.W. |  | 457-465 | Microbending Loss in Optical Fibers | Gardner, W.B. |  | 467-470 | Contributors to this Issue |  |  |  |  |