Barócsi, Z., I. Balogh, M. Kállay, and G. Lukácsy. “The Effect of Bud Density on the Composition of Colour in Red Wines”. International Journal of Horticultural Science, vol. 7, no. 3-4, Sept. 2001, pp. 63-68., doi:10.31421/IJHS/7/3-4/285.