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 31 OP 31 DO 10.5344/ajev.1955.6.3.31 VO 6 IS 3 YR 1955 UL http://www.ajevonline.org/content/6/3/31.1.abstract AB