RT Journal Article SR Electronic T1 Better Grapes for Wine JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 202 OP 203 DO 10.5344/ajev.1958.9.4.202 VO 9 IS 4 A1 A. J. Winkler YR 1958 UL http://www.ajevonline.org/content/9/4/202.abstract AB