1. Bachmann, B.J. (1987). Linkage map ofEscherichia coliK-12, Edition 7. In Escherichia coliandSalmonella typhimurium.Cellular and Molecular Biology(F.C. Neidhardt, Editor-in-Chief), volume 2, pp. 807–876. American Society for Microbiology, Washington.
2. Bonjour, J.P. (1984). InHandbook of Vitamins, Nutritional, Biochemical and Clinical Aspects(L.J. Machlin, Ed.), pp. 403–435. Marcel Dekker, New York.
3. Britz, M.L. and Demain, A.L. (1985). Regulation of metabolite synthesis. InComprehensive Biotechnology(M. Moo-Young, Editor-in-Chief), volume 1, pp. 617–636. Pergamon Press, Oxford.
4. Bunch, A.W. and Harris, R.E. (1986). The manipulation of microorganisms for the production of secondary metabolites. InBiotechnology and Genetic Engineering Reviews(G.E. Russell, Ed.), volume 4, pp. 117–144. Intercept, Newcastle upon Tyne.
5. Cleary, P.P. (1971).Genetic analysis of the biotin gene cluster. Ph.D. Thesis, University of Rochester, USA.