Gundel, János, Ágnes Regiusné Mőcsényi, Istvánné Hermán, Szilvia Huszár, Lászlóné Votisky, Marianne Szelényiné Galántai, and Hedvig Fébel. “Phosphorus (from Different Phosphorus Sources) Utilisation in Piglets, and the Effect of the Addition of Phytase into the Feedstuff”. Acta Agraria Debreceniensis, no. 9 (December 10, 2002): 30–36. Accessed May 6, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/3558.