%0 conference lecture %@ %A Hicke, H.-G., Boehme, P., Becker, M., Ulbricht, M. %D 1992 %J 34th IUPAC International Symposium on Macromolecules; Poster abstracts %P 7-P33 %T Immobilization of enzymes onto polyacrylonitrile membranes %U %X