Vilde, A. “IMPACT OF SOIL MOISTURE AND COMPOSITION ON ITS PROPERTIES AND ENERGY CONSUMPTION OF TILLAGE”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 26, 2006): 288–293. Accessed May 3, 2024. https://journals.rta.lv/index.php/ETR/article/view/2022.