http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the NATO Advanced Study Institute on Zeolite Microporous Solids: Synthesis, Structure, and Reactivity, held in Sintra-Estoril, Portugal, May 13-25, 1991
Περιλαμβάνει βιβλιογραφικές παραπομπές και ευρετήριο.