%0 conference lecture %@ %A Schlothauer, R.-C., Scheidat, B., Kasche, V., Albrecht, W., Becker, M., Hicke, H.-G. %D 1994 %J 7. International Symposium on Synthetic Membranes in Science and Industry %T Comparison of mass transfer rates in systems with enzymes immobilized in membranes, hollow fibers and porous particles %U %X