Edo-Roca, M., A. Sanchez-Ortiz, M. Nadal, M. Lampreave, and J. Valls. “Vine Vigor and Cluster Uniformity on Vitis Vinifera L. Seed Procyanidin Composition in a Warm Mediterranean Climate”. Spanish Journal of Agricultural Research, Vol. 12, no. 3, July 2014, pp. 772-86, doi:10.5424/sjar/2014123-5188.