OCHMIAN, I. D.; GRAJKOWSKI, J.; SMOLIK, M. Comparison of Some Morphological Features, Quality and Chemical Content of Four Cultivars of Chokeberry Fruits (Aronia melanocarpa). Notulae Botanicae Horti Agrobotanici Cluj-Napoca, v. 40, n. 1, p. 253-260, 14 May 2012.