References
- e.g. Tellez-Plasencia, H., Sci. et Ind. Phot., 27:337 (1956).
- Stevens, G. W. W., Brit. Journ. Km/., xxiii, 276 (1950).
- Stevens, G. W. W. and Spracklen, D. M., “Radioisotopes in the Physical Sciences and Industry”, I.A.E.A., Vienna (1962).
- Zimen, K. E., “Fundamental Principles of Photographic Sensi¬tivity”, ed. Mitchell, J. W., Butterworth (1951), p.. 53.
- Moore, J. E., Happ, G. P. and Stewart, D. W., Anal. Chan., 33-61 (1961).