RT Journal Article SR Electronic T1 Viticulture Abstracts JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 40 OP 42 DO 10.5344/ajev.1955.6.4.40 VO 6 IS 4 YR 1955 UL http://www.ajevonline.org/content/6/4/40.abstract AB