I. Balla, Á. Tarnawa, C. Horváth, J. Kis, and M. Jolánkai, “Challenges and limtations of site specific crop production applications of wheat and maize”, Acta agrar. Debr., no. 49, pp. 101–104, Nov. 2012, doi: 10.34101/actaagrar/49/2504.