https://jh-inst.cas.cz/grant/nmr-crystallography-of-extraframework-sites-silicon-rich-zeolites
NMR crystallography of extraframework sites in silicon rich zeolites | J. Heyrovsky Institute of...
in silicon
https://research.utwente.nl/en/publications/interaction-of-hydrogen-with-extraframework-cations-in-zeolite-ho/
Interaction of Hydrogen with Extraframework Cations in Zeolite Hosts Probed by Inelastic Neutron...