Czarnecki, J., Cudzik, A., Brennensthul, M., Białczyk, W., Wolski, K., & Świerszcz, S. (2017). Assessment of Changes in Sod Under Intensive Use. Agricultural Engineering , 21(3), 5-15. Retrieved from http://agriceng.ptir.org/index.php/AgricEng/article/view/21