CELIK, F.; GUNDOGDU, M.; ERCISLI, S.; KAKI, B.; BERK, S.; ILHAN, G.; SAGBAS, H. I. Variation in Organic Acid, Sugar and Phenolic Compounds in Fruits of Historical Apple Cultivars. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, v. 46, n. 2, p. 622-629, 9 Mar. 2018.