Lakevičs, Vitālijs, Valentīna Stepanova, Santa Niedra, Inga Dušenkova, and Augusts Ruplis. “Thixotropic Properties of Latvian Illite Containing Clays”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (August 6, 2015): 133–137. Accessed May 3, 2024. https://journals.rta.lv/index.php/ETR/article/view/813.