SESTRAS, R. E., ARDELEAN, M., GHIDRA, V., CORDEA, M., COSTIN, L., & BORS, A. (1998). Types of tree growth and fruit setting in F1 apple hybrids. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 28(1), 44-48. https://doi.org/10.15835/nbha281329