1172 THE BELL SYSTEM TECHNICAL JOURNAL, SEPTEMBER, 1953 



Pf Ferrites with Rectangular Hysteresis Loops, Scheduled for publication in 

 ' A.I.E.E. Transactions. 



5 J K Gait, Motion of a Ferromagnetic Domain Wall in Fe304, Physical Re- 



'view, 85, p. 664, 1952. 



6 V E Legg, Magnetic Measurements at Low Flux Densities using the A. C. 



Bridge, Bell System Tech. J., 15, p. 39, 1936. 



7 C D Owens, Analysis of Measurements on Magnetic Ferrites, Proc. I.R.E., 



41, p. 359, 1953. 



8. C. Kittel, Theory of the Dispersion of Magnetic Permeability in Ferromag- 



netic Materials at Microwave Frequencies. Phys. Rev., 70, p. 281, 1946. 



9. J. B. Birks, Measurement of the Permeability of Low Conductivity Ferro- 



magnetic Materials at Centimeter Wavelengths, Proc. Phys. Soc. (London), 

 60, p. 282, 1948. 



10. G. T. Rado, R. W. Wright and W. H. Emerson, Ferromagnetism at Very High 



Frequencies. III. Two Mechanisms of Dispersion in a Ferrite, Phys. Rev., 

 80, p. 273, 1950. 



11. Techniques of Microwave Measurements, (M.I.T. Radiation Laboratory Series, 



11), McGraw-Hill Book Co., N. Y., 1947. 



12. W. H. Surber, Jr. and G. E. Crouch, Jr., Dielectric Measurement Method for 



Solids at Microwave Frequencies, J. Appl. Phys., 10, p. 1130, 1948. 



13. J. K. Gait, Initial Permeability and Related Losses in Ferrites, Ceramic Age, 



p. 29, Aug., 1952. 



14. R. Becker and W. Doering, Ferromagnetismus, Julius Springer, Berlin, 1939. 



15. M.I.T. Staff, Electric Circuits, John Wiley & Sons, N. Y., p. 323, 1943. 



16. F. G. Brockman, P. H. Dowling and W. G. Steneck, Dimensional Effects 



Resulting from a High Dielectric Constant Found in a Ferromagnetic 

 Ferrits, Phys. Rev., 77, p. 85, 1950. 



17. P. M. Prache and H. Billottet, "Magnetodynamique des Semi-Conducteurs", 



Cables et Transmission, 6A, p. 317, 1952. 



18. Griffiths, Nature, 158, p. 670, 1946. 



19. C. Kittel, Ferromagnetic Resonance, Le Journal de Physique et le Radium, 



12, p. 291, 1951. 



20. H. G. Beljers and J. L. Snoek, Gyromagnetic Phenomena Occuring with 



Ferrites, Philips Tech. Rev., 11, p. 313, 1950. 



21. W. A. Yager, J. K. Gait, F. R. Merritt and E. A. Wood, Ferromagnetic Reso- 



nance in Nickel Ferrite, Phys. Rev., 80, p. 744, 1950. 



22. R. M. Bozorth, Ferromagnetism, New York, D. Van Nostrans Co., p. 803, 1951. 



23. H. G. Beljers, Measurements on Gyromagnetic Resonance of a Ferrite Using 



Cavity Resonator, Physica, 14, p. 629, 1949. 



24. F. F. Roberts, A Note on the Ferromagnetic Faraday Effect at Centimeter 



Wavelengths, Le Journal de Physique et le Radium, 12, p. 156, 1951. 



25. C. L. Hogan, The Ferromagnetic Faraday Effect at Microwave Frequencies 



and its Applications, Bell System Tech. J., 31, p. 1, 1952. 



26. Theodore Kahan, Ultra-High Frequency Magnetometer, U.S. Patent 2597149. 



27. P. J. Allen, A Microwave Magnetometer, Proc. I.R.E. , 41, p. 100, 1953. 



28. F. Reggia and R. W. Beatty, Characteristics of Magnetic Attenuators at 



UHF, Proc. I.R.E., 41, p. 93, 1953. 



