352 COMPOUND AND ELECTRON MICROSCOPES 



1938 Ardene, M. v., Z. Physik, 108, 38; also 109, 553. 



1938 Borries, B. v., and E. Ruska, Wiss. Veroffent. Siemens-Werken, 17, 99; 



also Z. tech. Physik, 19, 402. 



1938 Borries, B. v., E. Ruska, and H. Ruska, Klin. Wochschr., 17, 1; also Wiss. 



Veroffent. Siemens-Werken, 17, 107; also Z. Ver. deut. Ing., 82, 1. 



1938 Fitzsimmons, K. E., J. Optical Soc. Am., 28, 437. 



1939 Borries, B. v., and E. Ruska, Naturwissenschaften, 27, 281. 



1939 Cooper, F. S., C. E. Buchwald, C. P. Haskins, and R. D. Evans, Rev. Sci. 



Instruments, 10, 73. 



1939 Gray, F., Bell System Tech. J., 18, 1. 



1939 Kausche, G. A., E. Pfankuch, and H. Ruska, N aturvoissenschaften, 27, 292. 



1939 Klemperer, O., Electron Optics, Cambridge University Press. 



1939 Myers, L. M., Electron Optics, Chapman & Hall, London. 



1939 Ruska, H., Naturwissenschaften, 27, 287. 



1939 Scott, G. H., and D. M. Packer, Anat. Rec, 74, 17. 



1940 Ardene, M. v., Elektronen-Ubermikroskopie, Springer, Berlin. 



1940 Loofbourow, J. R. (summary of literature), Rev. Modern Phys., 12, 267. 



1940 Marton, L., Phys. Rev., 58, 57. 



1940 Marton, L., M. C. Banca, and J. F. Bender, RCA Rev., 5, 232. 



1940 Zworykin, V. K, Elec. Eng., 59, 441; Science, 92, 51. 



1941 Marton, G. A., RCA Rev., 6, 131. 

 1941 Vance, A. W., RCA Rev., 5, 293. 



1941 Zworykin, V. K., J. Hillier, and A. W. Vance, Elec. Eng., 60, 157. 



1942 Burton, E. F., and W. H. Kohl, The Electron Microscope, Reinhold Publish- 

 ing Corporation, New York. 



