1. Bryant, T.N. (1983). Journal of Applied Bacteriology, 54, 101–7.
2. Kibby, M.R. (1986). Computer Applications in the Biosciences, 2, 151–7.
3. London, K. (1986). Introduction to Computers, 5th edn. Faber and Faber, London.
4. Meindl, J.D., Ratnakumar, K.N., Gerzberg, L. & Saraswat, K.C. (1981). Digest of Technical Papers, IEEE Solid-State Circuits Conference, IEEE, New York, pp. 36–7.
5. Sharman, G. (1987). Introduction to Database on Microcomputers. Addison- Wesley, Wokingham.