Felföldi, J., T. Szabó, J. Nyéki, Z. Szabó, M. Soltész, and F. Apáti. 2010. “Evaluation of Sour Cherry Varieties Grown With Environmental Technology”. International Journal of Horticultural Science 16 (3): 39-41. https://doi.org/10.31421/IJHS/16/3/893.