VLAIC, R. A., V. MURESAN, A. E. MURESAN, C. C. MURESAN, A. PAUCEAN, V. MITRE, S. M. CHIS, and S. MUSTE. “The Changes of Polyphenols, Flavonoids, Anthocyanins and Chlorophyll Content in Plum Peels During Growth Phases: From Fructification to Ripening”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, vol. 46, no. 1, Jan. 2018, pp. 148-55, doi:10.15835/nbha46111017.