Békefi, Zs., K. R. Tobutt, and T. Sonneveld. “Determination of (in)compatibility Genotypes of Hungarian Sweet Cherry (Prunus Avium L.) Accessions by PCR Based Methods”. International Journal of Horticultural Science 9, no. 3-4 (October 20, 2003): 37–42. Accessed May 3, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/403.