• Raposo, J.C., Zuloaga, O., Olazabal, M.A., Madariaga, J.M.  Development of a modified Bromley methodology for the estimation of ionic media effects on solution equilibria - Part 6. The chemical model of phosphoric acid in aqueous solution at 25 degrees C and comparison with arsenic acid Fluid Phase Equilibria,  2003;  207(1-2),  69 - 80
• Sanz, J., De Diego, A., Raposo, J.C., Madariaga, J.M.  Routine analysis of mercury species using commercially available instrumentation: chemometric optimisation of the instrumental variables Analytica Chimica Acta,  2003;  486(2),  255 - 267
• Sturgeon, R.E., Wahlen, R., Brandsch, T., Fairman, B., Wolf-Briche, C., García-Alonso, J.I., Rodríguez-González, P., Ruiz-Encinar, J., Sanz-Medel, A., Inagaki, K., Takatsu, A., Lalere, B., Monperrus, M., Zuloaga, O., Krupp, E., Amouroux, D., Donard, O.F.X., Schimmel, H., Sejeroe-Olsen, B., Koniekzka, P., Schltze, P., Taylor, P., Eran, R., Macay, L., Myors, R., Win, T., Liebich, A., Philipp, R., Yang, L., Willie, S.  Determination of tributyltin in marine sediment: Comite Consultatif pour la Quantite de Matiere (CCQM) pilot study P-18 international intercomparison Analytical and Bioanalytical Chemistry,  2003;  376(6),  780 - 787
• Usobiaga, A., de Diego, A., Madariaga, J.M.  Electrical conductivity of concentrated H2TiF6+HF+H(2)O mixtures Journal of Chemical & Engineering Data,  2003;  48(1),  81 - 85