Effective stirring system for biotechnological processesRikmanis, M.; Berzinš, A.; Viesturs, U.Biobalt'92 : Biotechnology in Estonia, Latvia and Lithuania : Tallinn, November 1992 : conference abstracts1992 / p. 41 The stirring intensity studies in the anaerobic conditions of Zymomonas mobilis 113 SBerzinš, A.; Toma, M.; Rikmanis, M.; Viesturs, U.BIOBALT '96 : Biotechnology in Estonia, Latvia and Lithuania : International Workshop, 19-20 April, 1996, Tartu, Estonia : abstract book1996 / p. 16