1. A.E. Beezer, K.A. Bettelheim, R.D. Newell and J. Stevens, Sci. Tools21, 13 (1974).
2. A.E. Beezer, K.A. Bettelheim, S.M. O'Farrell and E.J. Shaw, in: Proceedings of the 2nd International Symposium Rapid Methods and Automation in Microbiology. Ed. H.H. Johnston and S.W.B. Newsom. Learned Information (Europe) Ltd, Oxford 1976.
3. A.E. Beezer, K.A. Bettelheim, S. al-Salihi and E.J. Shaw, Sci. Tools25, 23 (1978).
4. A.E. Beezer, R.D. Newell and H.J.V. Tyrrell, J. appl. Bact.41, 197 (1976).
5. A.E. Beezer, R.D. Newell and H.J.V. Tyrrell, Analyt. Chem.49, 34 (1977).