• Bartolomé, L., Tueros, I., Cortazar, E., Raposo, J.C., Sanz, J., Zuloaga, O., De Diego, A., Etxebarria, N., Fernández, L.A., Madariaga, J.M.  Distribution of trace organic contaminants and total mercury in sediments from the Bilbao and Urdaibai Estuaries (Bay of Biscay) Marine Pollution Bulletin,  2006;  52(9),  1111 - 1117
• Larreta, J., Vallejo, A., Bilbao, U., Alonso, A., Arana, G., Zuloaga, O.  Experimental design to optimise the analysis of organic volatile compounds in cow slurry by headspace solid-phase microextraction-gas chromatography-mass spectrometry Journal of Chromatography A,  2006;  1136 (1),  1 - 9
• Maguregi, M., Martínez-Arkarazo, I., Castro, K., Álvarez, M., Madariaga, J.M.  Diagnosing the effectiveness of a desalination conducted on a wall painting Heritage Protection. Construction aspects (J. Radic, V. Rajcic and R. Zarnic eds.), HDGK Dubrovnik,  2006;  62 - 68 -  953-95428-1-2
• Martínez-Arkarazo, I. , Angulo, M., Bartolomé, L.J., Etxebarria, N., Madariaga, J.M.  A procedure for conservation state diagnosis on an historical building Heritage Protection. Construction aspects (J. Radic, V. Rajcic and R. Zarnic arg.), Secon HDGK Dubrovnik,  2006;  166 - 172 -  953-95428-1-2
• Martínez-Arkarazo, I., Angulo, M., Usobiaga, A., Fernández, L.A., Madariaga, J.M.  Protection of carbonaceous materials by formation of a superficial oxalate layer Heritage Protection. Construction aspects (J. Radic, V. Rajcic and R. Zarnic arg.), Secon HDGK Dubrovnik,  2006;  174 - 179 -  953-95428-1-2
• Navarro, P., Cortazar, E., Bartolomé, L., Deusto, M., Raposo, J.C., Zuloaga, O., Arana, G., Etxebarria, N.  Comparison of solid phase extraction, saponification and gel permeation chromatography for the clean-up of microwave-assisted biological extracts in the analysis of polycyclic aromatic hydrocarbons Journal of Chromatography A,  2006;  1128 (1-2),  10 - 16
• Navarro, P., Raposo, J.C., Arana, G., Etxebarria, N.  Optimisation of microwave assisted digestion of sediments and determination of Sn and Hg Analytica Chimica Acta,  2006;  566 (1),  37 - 44
• Perez-Alonso, M., Castro, K., Madariaga, J.M.  Investigation of degradation mechanisms by portable Raman spectroscopy and thermodynamic speciation: The wall painting of Santa Maria de Lemoniz (Basque Country, North of Spain) Analytica Chimica Acta,  2006;  571 (1),  121 - 128
• Perez-Alonso, M., Castro, K., Madariaga, J.M.  Vibrational spectroscopic techniques for the analysis of artefacts with historical, artistic and archaeological value Current Analytical Chemistry,  2006;  2(1),  89 - 100
• Raposo, J.C., Olazabal, M.A., Madariaga, J.M.  Complexation and precipitation of arsenate and iron species in sodium perchlorate solutions at 25 degrees C Journal of Solution Chemistry,  2006;  35(1),  79 - 94