PT - JOURNAL ARTICLE AU - M. A. Amerine AU - E. B. Roessler TI - Methods of Determining Field Maturity of Grapes AID - 10.5344/ajev.1958.9.1.37 DP - 1958 Jan 01 TA - American Journal of Enology and Viticulture PG - 37--40 VI - 9 IP - 1 4099 - http://www.ajevonline.org/content/9/1/37.short 4100 - http://www.ajevonline.org/content/9/1/37.full SO - Am J Enol Vitic.1958 Jan 01; 9