484 THE BELL SYSTEM TECHNICAL JOURNAL, MARCH 1957 



2. Montgomery, Technique of jMicrowave Measurements, Had. Lab. Series. 



Xo. 11. 



3. C. H. Townes and S. Geschwind, J.A.P., 19, p. 795, Aug.. 1948. 



4. Hamilton, Knipp and Kupper. Klystrons and Microwave Triodes. McGraw 



Hill. 1948, Rad. Lab. Series Xo.'G, p. 475. 



5. Torrev. H. C. and Whitmer, C. A., Crystal Rectifiers, Rad. Lab. Series, Vol. 



15, McGraw Hill, 1947. 



6. M. W. P. Strandberg. H. R. Johnson, J. R. Eshbach, R.S.I., 25, pp. 776-792, 



Aug., 1954. _ 



7. Townes and Schawlow, Microwave Spectroscopy, McGraw Hill, 1955. 



8. Miller, P. H., Xoise Spectrum of Crystal Rectifiers, Proc. LR.E., 35, p. 252. 



1947. 



9. G. R. Xicoll, X'oise in Silicon Microwave Diodes, Proc. I.E.E., 101, pp. 317-29, 



Sept., 1954. 



10. See for example K. Holbach, Helv. Phvsica Acta, 27, p. 259, 1954; A. ^L 



Portis, Phys. Rev., 100, p. 1219, 1955. 



11. Pound, R. v.. Microwave Mixers, M.I.T. Radiation Lab. Series 16, McGraw 



Hill. 



12. E. D. Reed, Proceedings of the X'ational Electronics Conference, 7, p 162, 



1951. 



13. S. O. Rice, B.S.T.J., 23, pp. 282-332; B.S.T.J., 24, pp. 46-156, 1945. 



14. A. van der Ziel, Xoise, Prentice Hall, Inc., 1954. 



