704 RADIATION BIOLOGY 



King, E. D. (1947) The effect of low temperature upon the frequency of X-ray- 

 induced mutations. Genetics, 32: 161-164. 



Knowlton, N. P., Jr., and W. R. Widner (1950) The use of X rays to determine the 

 mitotic and intermitotic time of various mouse tissues. Cancer Research, 10: 

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Koernicke, M. (1905) Uber die Wirkung der Rontgen- und Radiumstrahlen auf 

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Roller, P. C. (1947) The effect of radiation on the normal and malignant cell in man. 

 Brit. J. Radiology, Suppl. 1, pp. 84-96. 



and I. A. R. S. Ahmed (1942) X-ray-induced structural changes in the 



chromosomes of Drosophila pseudoobscura. J. Genetics, 44: 53-72. 



and C. A. Auerbach (1941) Chromosome breakage and sterility in the mouse. 



Nature, 148: 501-502. 



Krause, P., and K. Ziegler (1906) Experimentelle Untersuchungen liber die Ein- 

 wirkung der Rontgenstrahlen auf tierisches Gewebe. Forschr. Gebiete Ront- 

 genstrahlen, 10: 126-182. 



Krivshenko, J. D. (1950) The structure of the heterochromatic part of the Y-chromo- 

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Kurnick, N. B. (1947) Discussion, appended to paper by L. Michaelis. Cold Spring 

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(1950) The quantitative estimation of desoxy ribonucleic acid based on 



methyl green staining. Exptl. Cell Research, 1: 151-158. 



Lamy, R., and H. J. Muller (1939) Evidence of the nongenetic nature of the lethal 

 effects of radiation on Drosophila embryos. Proc. Seventh Intern. Congr. Genet- 

 ics, pp. 180-181. 



Langendorff, H., and K. Sommermeyer (1940) Strahlenwirkung auf Drosophilaeier. 

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 keit von der Wellenlange. Strahlentherapie, 68: 656-668. 



Lasnitzki, I. (1943a) The effect of X rays on cells cultivated in vitro. II. Recovery 

 factor. Brit. J. Radiology, 16: 61-67. 



(1943b) The response of cells in vitro to variations in X-ray dosage. Brit. J. 



Radiology, 16: 137-141. 



(1948) The effect of beta rays on cells cultivated in vitro. Brit. J. Radiology, 



21: 265-269. 

 Latarjet, R., and B. Ephrussi (1949) Courbes de survie de levures haploides et 



diploides soumises aux rayons X. Compt. rend., 229: 306-308. 

 Lavedan, J. (1945) L'action des radiations sur le cellule normale. Gauthier- 



Villars & Cie, Paris. 

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



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



(1947a) The induction of chromosome structural changes by radiation: 



detailed quantitative interpretation. Brit. J. Radiology, Suppl. 1, pp. 75-83. 



(1947b) Effects of radiation on germ cells: Dominant lethals and hereditary 



partial sterility. Brit. J. Radiology, Suppl. 1, pp. 120-137. 



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



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



and (1945) The relation between recessive lethals, dominant lethals, 



and chromosome aberrations in Drosophila. J. Genetics, 47: 10-24. 

 Lefevre, Geo., Jr. (1948) The relative effectiveness of fast neutrons and gamma rays 



in producing somatic crossing over in Drosophila. Genetics 33: 113. 

 Lewis, E. B. (1950) The phenomenon of position effect. Advances in Genetics, 



3: 73-115. 



