352 BELL SYSTEM TECHNICAL JOURNAL 



R. Kompfner, "Velocity Modulation — Results of Further Considerations", Wireless Erig., 



vol. 17, p. 478, Nov. (1940). 

 A. E. Harrison, "Graphical Methods for Analysis of Velocity Modulation Bunching", 



Proc. L R. E., vol. ii, p. 20, Jan. (1945). 



E. Magnetrons 



W. E. Benham, "Electronic Theory and the Magnetron", Proc. Phvs. Soc, vol. 47, p. 1, 



Jan. (1935). 

 K. Posthumus, "Oscillations in a Sjilit Anode Magnetron", Wireless Eng., vol. 12, p. 126, 



March (1935). 

 L. Tonks, "Motion of Electrons in Crossed Electric and Magnetic Fields with Space 



Charge", Physik Z Soujet, vol. 8, p. 572 (1935). 

 H. Awendu, H. Thoma and M. Tombs, "Paths of Electrons in Magnetrons Taking Account 



of Space Charge", Zeits.f. Phys., vol. 97, p. 202, Oct. (1935). 

 W. E. Benham, "Electronic Theorv and the Magnetron Oscillator", Proc. Phvs. Soc, 



vol. 47, p. 1, Jan. (1935). 

 M. Grechowa, "Investigation of the Curve of the Electron Path in a Magnetron", Tech. 



Phys. Jour. (U. S. S. R.), vol. 3, p. 633 (1936). 

 S. V. Bellustin, "Theory of the Motion of Electrons in Crossed Electric and Magnetic 



Fields with Space Charge", Physik Z. Toujel, vol. 10, p. 251 (1936). 

 Grunberg and Wolkenstein, "The Influence of a Homogeneous Magnetic Field on the 



Motion of Electrons Between Coaxial Cjdindrical Electrodes", Tech. Phvs. Jour. 



(U. S. S. R.), vol. 8, p. 19 (1938). 

 F. Herringer and F. Hulster, "Oscillations in Tubes with Alagnetic Fields", Hock fre^ 



Tech u Elek Akus, vol. 49, p. 123 (1937). 

 E. B. MouUin, "Consideration of the Effect of Space Charge in the Magnetron", Phvs. 



Soc. Proc, vol. 36, p. 94, Jan. (1940). 

 J. P. Blewett and S. Ramo, "High-Frequencv Behavior of a Space Charge", Phvs. Rev., 



vol. 57, p. 635, April (1940). 

 J. P. Blewett and S. Ramo, "Propagation of Electromagnetic Waves in a Space Charge 



Rotating in a Magnetic Field", Jour. Appl. Phys., vol. 12, p. 856, Dec. (1941). 

 L. Brillouin, "Practical Results from Theoretical Studies of Magnetrons", Proc. /. R. E., 



vol. 32 p. 216, April (1944). 



