P. Riczu, G. Bíró, E. Sulyok, A. Nagy, J. Tamás, and Z. Szabó, “Determination of chlorophyll content in case of peach leaf curl disease (Taphrina deformans) with spectral analysis”, Int. j. hortic. sci., vol. 18, no. 2, pp. 49–52., Jul. 2016, doi: 10.31421/IJHS/18/2/1032.