Jemrić, Tomislav, Ivan Fruk, Mladen Fruk, Sanja Radman, Lovro Sinkovič, and Goran Fruk. 2017. “Bitter Pit in Apples: Pre- and Postharvest Factors: A Review”. Spanish Journal of Agricultural Research 14 (4), e08R01. https://doi.org/10.5424/sjar/2016144-8491.