Ezzahouani, A., and L. E. Williams. “The Effects of Thinning and Girdling on Leaf Water Potential, Growth and Fruit Composition of Ruby Seedless Grapevines”. OENO One, Vol. 35, no. 2, June 2001, pp. 79-85, doi:10.20870/oeno-one.2001.35.2.985.