1. Allen, G. (1989) Sequencing of proteins and peptides. 2nd Ed. Burdon, R.H. and P.H. van Knippenberg. Laboratory tecniques in biochemistry and molecular biology Vol. 9, Elsevier, Oxford.
2. Barros, M.T., Carvalho, M.G.V., Garcia, F.A.P. and Pires, E.M.V. (1992)Biotech. Lett 14, 179?184.
3. Dalgleish, D.G. (1982) in Developments in Dairy Chemistry-1 (eds Box,P.F.) 157?187. Elsevier Applied Science Publishers, London.
4. Drohse, H.B. and Foltman, B. (1989)Biochem. Biophys. Acta 995, 221?224.
5. Ekstrand, B. and Larsson-Raznikiewicz, M. (1978)Biochem. Biophys. Acta 536: 1?9.