Szatai, Zsuzsanna, and Ferenc Dér. “Comparison of Nutritive Value and Productivity of Fertilized and Non-Fertilized Pasture”. Acta Agraria Kaposváriensis, vol. 11, no. 3, Oct. 2007, pp. 73-79, https://journal.uni-mate.hu/index.php/aak/article/view/1898.