Simkó, Attila, and Szilvia Veres. “Variability Examination of Photosynthetic Pigment Content and Specific Leaf Area in Individual Maize (Zea Mays L.) Plants”. Acta Agraria Debreceniensis, no. 74 (June 30, 2018): 153–157. Accessed May 15, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/1681.