PRINCIPLES OF RADIOLOGICAL PHYSICS 143 



Heitler, W. (1944) The quantum theory of radiation, 2d ed. Oxford University 



Press, New York. 

 HoUaender, A., G. E. Stapleton, and F. L. Martin (1951) X-ray sensitivity of 



E. coll as modified by oxygen tension. Nature, 167: 103. 

 Honerjager, R. (1940) Untersuchungen iiber die azimutale Intensitatsverteilung 



der Rontgenbremsstrahhmg. Ann. Physik, 38: 33-45. 

 Hornyack, W. F., T. Lauritsen, P. Morrison, and W. A. Fowler (1950) Energy levels 



of light nuclei. III. Revs. Modern Phys., 22: 291-372. 

 International Critical Tables (1929) McGraw-Hill Book Company, Inc., New York, 



Vol. 5. 

 Isotopes Catalogue (1949) and price list No. 3 with supplements 1-5. Isotopes 



Division of AEC, Oak Ridge, Tenn. 

 Janossy, L. (1948) Cosmic rays. Oxford University Press (Clarendon), New York. 

 Jesse, W. P., and J. Sadauskis (1953) Alpha-particle ionization in pure gases and 



the average energy to make an ion pair. Phys. Rev., 90:1120. 

 Kaufmann, B. P. (1941) Induced chromosomal breaks in Drosophila. Cold Spring 



Harbor Symposia Quant. Biol., 9: 82-92. 

 Lea, D. E. (1940) Determination of the sizes of viruses and genes by radiation 



methods. Nature, 146: 137-138. 

 (1946) Actions of radiations on living cells. Cambridge University Press, 



London (The Macmillan Company, New York, 1947). 



and J. D. Catcheside (1942) The mechanism of the induction by radiation 



of chromosome aberrations in Tradescantia. J. Genetics, 44: 216-245. 

 • , R. B. Haines, and E. Bretscher (1941) The bactericidal action of X rays, 



neutrons, and radioactive radiations. J. Hygiene, 41: 1-16. 

 Livingston, M. S., and H. A. Bethe (1937) Nuclear physics. C. Nuclear dynamics, 



experimental. Revs. Modern Phys., 9: 245-390. 

 Marshak, R. E., H. Brooks, and H. Hurwitz, Jr. (1949) Introduction to the theory 



of diffusion and slowing down of neutrons. I. Nucleonics, 4(5): 10-22. 

 Muller, H.J. (1940) An analysis of the process of structural changes in chromosomes 



of Drosophila. J. Genetics, 40: 1-66. 

 (1941) Induced mutations in Drosophila. Cold Spring Harbor Symposia 



Quant. Biol., 9: 151-167. 

 Nelms, A. T. (1953) Graphs of the Compton energy-angle relationship and the 



Klein-Nishina formula from 10 kev to 500 Mev. Natl. Bur. Stand. U. S. Circ. 542. 

 Pauling, L. (1940) The nature of the chemical bond. Cornell University Press, 



Ithaca, New York. 

 Platzman, R. L. (1952) Influences of details of the electronic binding energy on 



penetration phenomena, and the penetration of energetic charged particles 



through liquid water. Symposium on radiobiology. John Wiley & Sons, Inc., 



New York, pp. 134-176. 

 Pollard, E. C, and F. Forro, Jr. (1949) Examination of the target theory by deuteron 



bombardment of T-1 phage. Science, 109: 374-375. 

 Quimby, E. H., and E. F. Focht (1943) Dosage measvirements in contact roentgen 



therapy. Am. J. Roentgenol. Radium Therapy, 50: 653-668. 

 Rice, F. O., and E. Teller (1949) The structure of matter. John Wiley & Sons, Inc., 



New York. 

 Richtmyer, F. K., and E. H. Kennard (1947) Introduction to modern physics, 4th 



ed. McGraw-Hill Book Company, Inc., New York. 

 Rossi, B., and K. Greisen (1941) Cosmic-ray theory. Revs. Modern Phys., 13: 



240-309. 

 Rutherford, E., J. Chadwick, and C. D. Ellis (1930) Radiations from radioactive 



substances. Cambridge University Press, London. 



