RT Journal Article SR Electronic T1 Abstracts and Reviews JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 257 OP 263 DO 10.5344/ajev.1969.20.4.257 VO 20 IS 4 YR 1969 UL http://www.ajevonline.org/content/20/4/257.abstract AB