Electron Spin Resonance in the Study of Radiation Damage 261 



10. W. GoRDY, W. V. Smith, and R. Trambarulo: Microwave Spectroscopy, J. Wiley 

 and Sons, New York (1953). 



11. D. J. E. Ingram: Spectroscopy at Radio and Microwave Frequencies, Butterworth, London 

 (1955). 



12. B. Bleaney and K. W. H. Stevens: Paramagnetic Resonance 1. Rep. Progr. Ph)s 16, 

 108-159(1953). 



13. K. D. Bowers and J. Owen: Paramagnetic Resonance II. Rep. Progr. Phys. 18, 304-373 

 (1955). 



14. W. Gordy: Microwave and Radiofrequency Spectroscopy. In: Chemical Applications 

 of Spectroscopy, ed. by W. West, chap. 3, Interscience Publishers, New York (1956). 



15. J. E. Wertz: Nuclear and electronic spin resonance. Chem. Rev. 55, 829-955 (1955). 



16. W. Gordy: Microwave spectroscopy. In: Handbuch der P/iysi/c, ed. by S. Fliigge, Vol. 

 28, 1-78, Springer- Verlag, Heidelberg (1957). 



17. N. F. Ramsey: Nuclear Moments, J. Wiley and Sons, New York (1953). 



18. H. E. White: Introduction to Atomic Spectra, McGraw-Hill, New York (1934); 



E. U. Condon and G. H. Shortley: Theory of Atomic Spectra, Macmillan, New York 

 (1935). 



19. H. Shields and W. Gordy: unpublished data. 



20. H. S. Jarrett and G. J. Sloan: Paramagnetic resonance absorption in triphenylmethyl 

 and dimesitylmethyl. J. Chem. Phys. 22, 1783-1784 (1954); 



G. E. Pake, S. I. Weissman, and J. Townsend: Paramagnetic resonance of free radicals. 

 Disc. Faraday Soc. 19, 147-158 (1955). 



21. A. Van Roggen, L. Van Roggen, and W. Gordy: Electron-spin resonance in x- 

 irradiated single crystals of amino acids. Bull. Amer. Phys. Soc. 1, 266-267 (1956). 



22. C. G. McCoRMiCK and W. Gordy: Microwave investigations of radiation effects in 

 solids : Methyl and ethyl compounds of Sn, Zn and Hg. /. Amer. Chem. Soc. 78, 3243- 

 3246 (1956). 



23. C. F. Luck and W. Gordy: Effects of x-irradiation upon some substances in solid 

 state: Simple alcohols, amines, amides and mercaptans. /. Amer. Chem. Soc. 78, 

 3240-3243 (1956). 



24. H. N. Rexroad and W. Gordy: Electron spin resonance of radicals produced by 

 ultraviolet irradiation. Bull. Amer. Phys. Soc. 2, 227 (1957). 



25. H. W. Shields and W. Gordy: details to be published. 



26. B. W. Low: The structure and configuration of amino acids, peptides and proteins. In: 

 The Proteins, ed. by H. Neurath and K. Bailey, Vol. lA, chap. 4, Academic Press, New 

 York (1953). 



27. L. Pauling and R. B. Corey: Two hydrogen-bonded spiral configurations of the poly- 

 peptide chain. /. Amer. Chem. Soc. 11, 5349 (1950). 



28. J. Franck and R. Platzman: Physical principles underlying photochemical, radiation- 

 chemical, and radiobiological reactions. In: Radiation Biology, ed. by A. Hollaender, 

 Vol. I, Chap. 3 McGraw-Hill, New York (1954). 



29. H. W. Shields, W. B. Ard, and W. Gordy: Electron-spin resonance in x-irradiated 

 plastics and synthetic fibers. Bull. Amer. Phys. Soc. 2, 227 (1957). 



30. W.M.Dale: Basic radiation biochemistry, Chap. 4; and E. S. G. Barron: The effect of 

 x-rays on systems of biological importance, Chap. 5, In: Radiation Biology, ed. by 

 A. HoUaender, Vol. I, McGraw-Hill, New York (1954). 



31. L. Eldjarn, a. Pihl, and B. Shapiro: Cysteamine-Cystamine : On the mechanism for 

 the protective action against ionizing radiation. In: Proceedings of the International 

 Conference on the Peaceful Uses of Atomic Energy, Vol. II, 335-342, United Nations, New 

 York (1956). 



32. L. Ehrenberg and K. G. Zimmer: Die Bedeutung der Mikrowellen-spektroskopie fiir 

 die Strahlen-biologie. Hereditas 42, 515-521 (1956). 



18 



