J. Tamás, A. Nagy, T. Fórián, J. Nyéki, T. Szabó, and Z. Szabó, “Precision geoinformatical system of the pear gene-collection orchard”, Int. j. hortic. sci., vol. 18, no. 1, pp. 43–50., Apr. 2012, doi: 10.31421/IJHS/18/1/993.