Recent Monographs of Bell System Technical 

 Papers Not Published in This Journal* 



Arnold, W. O., and Hoefle, R. R. 

 A System Plan for Air Traffic Control, Monograph 2483. 



Babcock, W. C, Rentrop, E., and Thaeler, C. S. 

 Crosstalk on Open-Wire Lines, Monograph 2520. 



Beck, A. C, and Mandeville, G. D. 



Microwave Traveling- Wave Tube Millimicrosecond Pulse Gener- 

 ators, Monograph 2551. 



BozoRTH, R. M., Williams, H. J., and Walsh, Dorothy E. 



Magnetic Properties of Some Orthoferrites and Cyanides at Low 

 Temperatures, ]\Ionograph 2591. 



Bridgers, H. E. 



A Modern Semiconductor — Single -Crystal Germanium, Monograph 

 2552. 



Cetlin, B. B., see Gait, J. K. 



Chynoweth, A. G. 



Measuring the Pyroelectric Effect with Special Reference to Barium 

 Titanate, Monograph 2545. 



CoRENZwiT, E., see Matthias, B. T. 



Cutler, C. C. 



Spurious Modulation of Electron Beams, ^Monograph 2543. 



Dail, H. W., Jr., see Gait, J. K. 



* Copies of these monographs ma}' be obtained on request to the Publication 

 Department, Bell Telephone Laboratories, Inc., 46.3 West Street, New York 14. 

 N. Y. The numbers of the monographs should be given in all requests. 



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