Gálya, B., Nagy, A., Blaskó, L., Dályai, B. and Tamás, J. (2015) “Comparison of Pálfai’s drought index and the Normalised Precipitation Index in the North Great Plain region”, Acta Agraria Debreceniensis, (63), pp. 59–64. doi: 10.34101/actaagrar/63/1835.