References
- Bromley, D., and Herz, R. H., Proc. pliys. Soc., 63B, 90 (1950).
- Farnell, G. C., and Flint, R. B., J. Micros., 97, 271 (1973)
- Halmshaw, R., “Physics of Industrial Radiography”, Heywood, London (1966)
- Broadhead, P., “Theory of the Photographic Process”, Editor T. H. James, Macmillan, New York (1977)
- Halmshaw, R., J. Photogr. Sci.. 19, 167 (1971)
- Herz, R. H., Photogr. J.. 89B, 91 (1949)
- De Palma, J. J., and Lowry, E. M., J. opt. Soc. Am., 52, 328 (1962)
- Farnell, G. C., and Flint, R. B., “Principles and Techniques of Electron Microscopy”, M. A. Hayat, ed., Van Nostrand Reinhold, Vol. 5 (1975), p. 19
- British Standard BS 5230 : 1975, The Method for the Measurement of Speed and Contrast of Direct-type Films for Industrial Radiography
- Zweig, H., J. opt. Soc. Am.. 46, 805 (1962)
- DeBelder, M., and DeKierf, J., Photogr. Sci. Engng., 11, 371 (1967)
- Selwyn, E. W. H., Photogr. J.. 79, 257 (1939)
- Hamilton, J. F., and Marchant, J. C., J. opt. Soc. Am., 57, 232 (1967).
- Schnitger, D., and Mundry, E., Internal. Inst. Welding, Commission V, Sub-Commission A, Documen VA-196-71/0E.