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                     | Bell System Technical Journal, v34: i3 May 1955 |  
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Table of Contents
| Page(s) | Article Title | Author(s) | 
|---|
 | 453-472 | A Revised Telephone Transmission Rating Plan | Blye, P.W.; Coolidge, O.H.; Huntley, H.R. |  | 473-510 | Protection of Service in the TD-2 Radio Relay System by Automatic Channel Switching | Welber, I.; Evans, H.W.; Pullis, G.A. |  | 511-528 | Transmission of Digital Information over Telephone Circuits | Horton, A.W., Jr.; Vaughan, H.E. |  | 529-561 | Experimental Extrusion of Aluminum Cable Sheath at Bell Telephone Laboratories | Bouton, G.M.; Heiss, J.H.; Phipps, G.S. |  | 563-599 | A Tunable, Low-Voltage Reflex Klystron for Operation in the 50 to 60-kmc Band | Reed, E.D. |  | 601-636 | Interchannel Interference in FM and PM Systems Under Noise Loading Conditions | Bennett, W.R.; Curtis, H.E.; Rice, S.O. |  | 637-663 | Optimum Design of Directive Antenna Arrays Subject to Random Variations | Gilbert, E.N.; Morgan, S.P. |  | 665-670 | Bell System Technical Papers Not Published in this Journal |  |  | 670-671 | Recent Monographs of Bell System Technical Papers Not Published in this Journal |  |  | 672-676 | Contributors to this Issue |  |  |  |  |