PT - JOURNAL ARTICLE AU - J. L. Riddell TI - Vacuum Pan Operation in Production of Concentrated Grape Juice AID - 10.5344/ajev.1951.2.1.177 DP - 1951 Jan 01 TA - American Journal of Enology and Viticulture PG - 177--185 VI - 2 IP - 1 4099 - http://www.ajevonline.org/content/2/1/177.short 4100 - http://www.ajevonline.org/content/2/1/177.full SO - Am J Enol Vitic.1951 Jan 01; 2