The Relationship of Phase and Element Chemical Compositions with the Longevity of the Barcelona Catholic Cathedral of the Holy Cross and St. Eulalia (Spain) More than 600 Years Old

Cand. tech. E. S. ABDRAKHIMOVA ¹ , Dr. Tech. Sciences V. Z. ABDRAKHIMOV ² ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ); ¹ Samara University (Samara National Research University named after Academician S. P. Korolev) (Russia, Samara)
² Samara State University of Economics (Russia, Samara)

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