00520naa#a2200169#i#450# EN\\bibl\103000 20250816064619.6 3034-4689 20250807b2025####ek#y0engy0150####ca RU EFFECTIVE ADDITIVES FOR THE PRODUCTION OF WALL CERAMICS FROM LOW-GRADE CLAY RAW MATERIALS Journal article Kazan Kazan National Research Technological University 2025 4 с. Journal article local Kornilov A V vestniktu.ru