Department of Biochemistry, Institute of Microbiology and Experimental Therapy, German Academy of Sciences at Berlin, DDR-69 Jena, Beuthenbergstrasse 11, Germany
Institute of Biochemistry and Biophysics, Polish Academy of Sciences, ul.Rakowiecka 36, Warsaw 12, Poland
Department of Biochemistry, Institute of Microbiology and Experimental Therapy, German Academy of Sciences at Berlin, DDR-69 Jena, Beuthenbergstrasse 11, Germany
Institute of Biochemistry and Biophysics, Polish Academy of Sciences, ul.Rakowiecka 36, Warsaw 12, Poland