1. The microbiological production of pharmaceuticals;Ahoronowitz;Sci. Am.,1981
2. Anonymous. 1980. Xanthan Gum Technico-Economic Surveys. Sherborne, Dorest DT94RW, UK.
3. ICI unveils new thermoplastic made by biotechnology;Anonymous.;Eur. Chem. News,1981
4. Economic analysis of Abcor alcohol production plants;Anonymous.,1982
5. Anonymous. 1982. Milk and liquid food transporter, July 7.