History of analytical chemistry in Estonia (1800-1950)Hödrejärv, HelviFresenius journal of analytical chemistry1997 / p. 191-196 On-line coupling of a miniaturized bioreactor with capillary electrophoresis, via membrane interface, for monitoring the production of organic acids by microorganismsEhala, Sille; Vassiljeva, Irina; Kuldvee, Ruth; Vilu, Raivo; Kaljurand, MihkelFresenius journal of analytical chemistry2001 / 2, p. 168-173