1. Bacher A (1991) Biosynthesis of flavins. In: Müller F (ed) Chemistry and biochemistry of flavoenzymes, vol 1. CRC Press, Boca Raton, pp 215–259
2. Bailey R, Lauderdale GW, Heefner DL, Weaver CA, Yarus MJ, Burdzinski LA, Boyts A (1992) A fermentation process for riboflavin-producing organisms. Patent WO 92 /01060
3. Barclay WR (1991) Process for the heterotrophic production of products with high concentrations of omega-3 highly unsaturated fatty acids. Patent WO 91 /07498
4. BASF (1996) Vitamin B2 production comes to Ludwigshafen, recent press release P 462, 11. 8. 96
5. Bigelis R (1989) Industrial products of biotechnology: application of gene technology. In: Rehm Hi, Reed G (eds) Biotechnology, vol 7b. VCH Verlagsgesellschaft, Weinheim, 243 pp