Microorganism polysaccharides for purposeful change of immunochemical properties of immobilized enzymes and other bioregulatory proteinsVina, I.; Karsakevich, A.; Yalinska, A.; Arens, A.Biobalt'92 : Biotechnology in Estonia, Latvia and Lithuania : Tallinn, November 1992 : conference abstracts1992 / p. 58-59