Racskó, J., Z. Szabó, L. Lakatos, G. Lőrinczy, and J. Nyéki. “The Effect of Sunburn on Fruit Quality of Cv. Idared Apple”. Acta Agraria Debreceniensis, no. 19, Mar. 2006, pp. 23-31, doi:10.34101/actaagrar/19/3143.