%0 Journal Article %A J. L. Riddell %T Vacuum Pan Operation in Production of Concentrated Grape Juice %D 1951 %R 10.5344/ajev.1951.2.1.177 %J American Journal of Enology and Viticulture %P 177-185 %V 2 %N 1 %U https://www.ajevonline.org/content/ajev/2/1/177.full.pdf