Kriston-Vizi, J., Umeda, M., Miyamoto, K. and Ferenczy, A. (2003) “Illumination-Independent Reflectance Information Acquirement for Leaf Water Potential Measurement on the Example of Satsuma Mandarin”, International Journal of Horticultural Science, 9(3-4), pp. 75–79. doi: 10.31421/IJHS/9/3-4/409.