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Natural Mordenite from Spain as Pozzolana.
Presa L, Costafreda JL, Martín DA, Díaz I. Presa L, et al. Among authors: costafreda jl. Molecules. 2020 Mar 9;25(5):1220. doi: 10.3390/molecules25051220. Molecules. 2020. PMID: 32182746 Free PMC article.
Diatomites from the Iberian Peninsula as Pozzolans.
Costafreda JL, Martín DA, Astudillo B, Presa L, Parra JL, Sanjuán MA. Costafreda JL, et al. Materials (Basel). 2023 May 22;16(10):3883. doi: 10.3390/ma16103883. Materials (Basel). 2023. PMID: 37241512 Free PMC article.