Galli, Z., Kiss, E., Hrazdina, G., & Heszky, L. (2003). The effects of ACS (1-aminocyclopropane-l-carboxylate synthase) gene down regulation on ethylene production and fruit softening in transgenic apple. International Journal of Horticultural Science, 9(2), 65–70. https://doi.org/10.31421/IJHS/9/2/395