Title:Separation and identification of organic acids in root exudates of lupinus luteus by capillary zone electrophoresis / C. Barbas, J. A. Lucas García, F. J. Gutierrez Mañero.
Title:Determination of phenolic antioxidants by HPLC with amperometric detection at a nickel phthalocyanine polymer modified electrode / C. Barbas ... [et al.].