Szántó, Zsuzsanna, and Botond Sinóros-Szabó. “Harmonic Development and Biodiesel”. Acta Agraria Debreceniensis, no. 42 (December 22, 2010): 91–95. Accessed November 24, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/2665.