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2. Unique mineral association Fe-apatite-Fe-cordierite- fayalite as result of contact metamorphism in the Ayu-Dag;Anan’ev;Doklady Akademii Nauk,1997
3. QUILF: a Pascal program to assess equilibria among Fe–Mg–Mn–Ti oxides, pyroxenes, olivine, and quartz;Andersen;Computers and Geosciences,1993
4. Fe-rich cordierites from acid volcanic rocks, an optical and X-ray single- crystal study;Armbruster;Contributions to Mineralogy and Petrology,1985
5. Die Mineralien der brennenden Kohlefloeze von Ravat in Tadshikistan;Belakovski;Lapis,1990