Tállai, Magdolna. “The Application of Bentonite and Zeolite for Soil Amelioration in Acidic Sandy Soil”. Acta Agraria Debreceniensis, no. 36 (November 2, 2009): 131–137. Accessed May 6, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/2803.