RT Journal Article SR Electronic T1 Viticultural Abstracts JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 162 OP 164 DO 10.5344/ajev.1956.7.4.162 VO 7 IS 4 YR 1956 UL http://www.ajevonline.org/content/7/4/162.abstract AB