PHASE TRANSFORMATION OF ARMENIAN ZEOLITES DURING HYDROTHERMAL MODIFICATION. Proc. YSU C: Geol. Geogr. Sci. [Internet]. 2009 Apr. 20 [cited 2026 Jan. 22];43(1 (218):3-8. Available from: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol43_no1_2009_pp003-008