A. Miqueloto, C. V. T. do Amarante, C. A. Steffens, A. dos Santos, T. Miqueloto, and J. P. G. Silveira, “Physiological, physicochemical and mineral attributes associated with the occurrence of bitter pit in apples”, PAB, vol. 46, no. 7, pp. 689–696, Sep. 2011.