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Authors: Guadarrama, A de la Fuente, C Acuna, JA Vazquez, MD Tascon, ML Batanero, PS

Citation: A. Guadarrama et al., Determination of the antioxidant octylgallate in food using a polypyrrole electrode modified with nickel phthalocyanine complex. First measurements in a FIA system, QUIM ANAL, 18(2), 1999, pp. 209-216

Authors: de la Fuente, C Acuna, JA Vazquez, MD Tascon, ML Batanero, PS

Citation: C. De La Fuente et al., Voltammetric determination of the phenolic antioxidants 3-tert-butyl-4-hydroxyanisole and tert-butylhydroquinone at a polypyrrole electrode modified with a nickel phthalocyanine complex, TALANTA, 49(2), 1999, pp. 441-452

Authors: Acuna, JA Garcia, V Mondragon, J

Citation: Ja. Acuna et al., Comparison of some physicochemical aspects and hygienic qualities of the Puntarenas Estuary, Costa Rica, REV BIOL TR, 46, 1998, pp. 1-10

Authors: Rojas, MT Acuna, JA Rodriguez, OM

Citation: Mt. Rojas et al., Trace metal sin sea cucumbers, Holothuria-(Halodeima)-mexicana from the Caribbean side of Costa Rica, REV BIOL TR, 46, 1998, pp. 215-220