1. F. A. Jenkins and H. E. White, ‘Fundamentals of Optics’, 4th Edn (McGraw Hill, New York, 1976).
2. L. C. Martin, ‘The Theory of the Microscope’ (Blackie, London, 1966).
3. S. G. Lipson and H. Lipson, ‘Optical Physics’ (Cambridge University Press, Cambridge, 1969).
4. M. Spencer, ‘Fundamentals of Light Microscopy’ (Cambridge University Press, Cambridge, 1982).
5. L. Riemer, ‘Transmission Electron Microscopy’ (Springer Verlag, Berlin, 1984).