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Ramos, E.; Valero, E.; Ibáñez, E.; Reglero, G.; Tabera, J., Obtention of a brewed coffee aroma extract by an optimized supercritical CO2-based process, J. Agric. Food Chem., 1998, 46, 10, 4011-4016, https://doi.org/10.1021/jf9800155 . [all data]