Tripathi, Bijay P.Saxena, ArunimaShahi, Vinod K.2011-12-272011-12-272011-12-27http://hdl.handle.net/1968424/198enPhosphonic acid grafted bis(4- -aminopropyldiethoxysilylphenyl)sulfone (APDSPS)-poly(vinyl alcohol) cross-linked polyelectrolyte membrane impervious to methanolArticle