Veres, Z., I. J. Holb, J. Nyéki, Z. Szabó, and M. G. Fári. “Total Anthocyanine Content and Antioxidant Density of Some Hungarian Sour Cherry Varieties”. International Journal of Horticultural Science, vol. 11, no. 2, May 2005, pp. 109-111., doi:10.31421/IJHS/11/2/589.