1. Hooke, R., Micrographia. 1667, London: Royal Society.
2. Brown, R., A Brief Account of Microscopical Observations Made in the Months of June, July and August 1827 on the Particles Contained in the Pollen of Plants; and on the General Existence of Active Molecules in Organic and Inorganic Bodies. 1828, London: Taylor.
3. Born, M. and E. Wolf, Principles of optics: electromagnetic theory of propagation, interference and diffraction of light. 6th corr. ed. 1997, Oxford; New York: Cambridge University Press c 1997. xxviii, 808.
4. Sheppard, C. J. R. and D. M. Shotton, Confocal Laser Scanning Microscopy. 1997, Oxford: BIOS Scientific Publishers.
5. Corle, T. R. and G. S. Kino, Confocal Scanning Optical Microscope and Related Imaging Systems. 1996, San Diego: Academic Press.