Lakevičs, Vitālijs, Valentīna Stepanova, and Augusts Ruplis. “Thixotropic Properties of Latvian Clays”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (August 5, 2015): 318–322. Accessed November 23, 2024. https://journals.ru.lv/index.php/ETR/article/view/903.