Jakab, Péter. “Impact of Fertilization on Production Capacity and Reaction to Fertilization in Maize Hybrids”. Acta Agraria Debreceniensis, no. 1 (May 27, 2001): 42–46. Accessed July 18, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/3584.