01.Kuo, Y. K., C. L. Lee, and Y. S. Yang. 2004. Changes in the forms of pectin and calcium compounds during grape berries softening. J.Agric.For. 1: 29-49.
02.Kuo, Y. K., C. L. Lee, and Y. S. Yang. 2004. Changes of mneral nutrient concentrations in grapeberries during development. Horticulture NCHU. 26(3): 1-15.