Location of chemisorbed methylium ions in zeolites by neutron diffraction and [sup 13] C MAS NMR.Published in:Applied Physics A: Materials Science & Processing, 2002, v. 74, n. 6, p. s1320, doi. 10.1007/s003390201698By:Vratislav, S.;Dlouhá, M.;Bosáček, V.Publication type:Article