van Nocker,
S., Berry, G., Najdowski, J., Michelutti, R., Luffman, M., Forsline, P., …
Ordidge, M. (2012). Genetic diversity of red-fleshed apples (Malus). Euphytica,
185(2), 281–293. https://doi.org/10.1007/s10681-011-0579-7
Kolchenko, Mariya, et al. "Wild Malus
Niedzwetzkyana Dieck Ex Koehne as a Genetic Resource for Fire Blight
Resistance." Horticulturae 9.10 (2023): 1066.