Pseudo-Blend Model of Hydrogel Immobilized Living Cells / / Plavsic, M. B., Faculty of Technology and Metallurgy, Belgrade, Serbia; Pajic-Lijakovic, I., Faculty of Technology and Metallurgy, Belgrade, Serbia; Bugarski, B., Faculty of Technology and Metallurgy, Belgrade, Serbia; Budinski-Simendic, J., Faculty of Technology, Novi Sad, Serbia; Nedovic, V., Faculty of Agriculture, Belgrade, Serbia; Putanov, P., Serbian Academy of Sciences and Arts, Belgrade, Serbia --