Saavedra, L.; Garcia, A.; Barbas, C. (2000년 6월 9일). “Development and validation of a capillary electrophoresis method for direct measurement of isocitric, citric, tartaric and malic acids as adulteration markers in orange juice”. 《Journal of Chromatography A》 881 (1-2): 395–401. doi:10.1016/s0021-9673(00)00258-2. PMID10905722.
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Saavedra, L.; Garcia, A.; Barbas, C. (2000년 6월 9일). “Development and validation of a capillary electrophoresis method for direct measurement of isocitric, citric, tartaric and malic acids as adulteration markers in orange juice”. 《Journal of Chromatography A》 881 (1-2): 395–401. doi:10.1016/s0021-9673(00)00258-2. PMID10905722.