%0 journal article %@ 0024-9297 %A Kricheldorf, H. R.,Jahnke, P.,Scharnagl, N. %D 1992 %J Macromolecules %N %P 1382-1386 %T New polymer syntheses 58., Alkylation of aromatic Poly(pyridine ether)s and their application as membranes %U %X