Nagy, Sz., Réka Katalin Kovács, and János Tossenberger. “The Influence of Phosphorus Supply on Eggshell Quality”. Acta Agraria Kaposváriensis 15, no. 2 (February 15, 2011): 63–69. Accessed December 5, 2025. https://journal.uni-mate.hu/index.php/aak/article/view/2042.