Affiliation: | (1) Department of Fermentation Chemistry and Bioengineering, Institute of Chemical Technology, 166 28 Prague, Czechoslovakia;(2) Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague, Czechoslovakia;(3) Institute of Microbiology, Czechoslovak Academy of Sciences, 142 20 Prague, Czechoslovakia;(4) Department of Polymers, Institute of Chemical Technology, 166 28 Prague, Czechoslovakia |