00496naa#a2200169#i#450# EN\\bibl\80715 20250224110504.1 2076-0655 20160325b2016####ek#y0engy0150####ca RUS RU X-ray and infrared spectroscopic study of natural zeolite Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2016 3 с. Journal article local Mamedova G A tsilicates.ru