RT Journal Article SR Electronic T1 Question and Answer Period JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 37 OP 38 DO 10.5344/ajev.1959.10.1.37 VO 10 IS 1 YR 1959 UL http://www.ajevonline.org/content/10/1/37.abstract