%0 conference paper,conference lecture %@ %A Ziegler, H.-J.,Lehmann, I.,Abel, C.,Becker, M. %D 1994 %J 7th International Symposium on Polymer Analysis and Characterization (ISPAC -/) %N %P III.12 %T Potentiometric and spectroscopic characterization of reactive acrylonitrile copolymer membranes %U %X