Racskó, J., Szabó, Z., Miller, D. D., Soltész, M., & Nyéki, J. (2009). Sunburn incidence of apples is affected by rootstocks and fruit position within the canopy but not by fruit position on the cluster. International Journal of Horticultural Science, 15(4), 45–51. https://doi.org/10.31421/IJHS/15/4/839