Felföldi, József, Ferenc Firtha, Rita Hermán, and Andrzej Pedryc. 2011. “Characterization of Morphological Properties of Apricot Stones by Image Processing”. Acta Agraria Kaposváriensis 15 (3): 67-77. https://journal.uni-mate.hu/index.php/aak/article/view/7091.