TY - CPAPER AU - Vladimer Tsitsishvili AU - Bela Khutsishvili AU - Marinela Panayotova AU - Manabu Miyamoto AU - Nato Mirdzveli TI - ACID AND HEAT TREATMENT OF GEORGIAN NATURAL HEULANDITE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Water Resources. Forest, Marine and Ocean Ecosystems, Vol 23, Issue 3.2 PY - 2023 SP - 3 EP - 10 DO - 10.5593/sgem2023v/3.2/s12.01 PB - STEF92 Technology ER -