[1999] [2000] [2001] [2003] - 2004 - [2005] [2006] [2007] [2008] [2009] [2010] [2011] [2012] [in press]

1. Dezileau, L., O. Ulloa, D. Hebbeln, F. Lamy, J. J. Reyss & M. Fontugne. Iron control of past productivity in the coastal upwelling system off the Atacama Desert. Paleoceanography, 19, PA3012, doi:10.1029/2004PA001006, 2004.

2. Escribano, R., G. Daneri, L. Farías, V. A. Gallardo, H. E. González, D. Gutiérrez, C. B. Lange, C. E. Morales, O. Pizarro, O. Ulloa & M. Braun. Biological and chemical consequences of the 1997-1998 El Niño in the Chilean coastal upwelling system: A synthesis. Deep-Sea Research II, 51, 2389-2411, 2004.

3. Farías, L., M. Graco and O. Ulloa.. Nitrogen cycling in continental shelf sediments of the upwelling ecosystem off central Chile. Deep-Sea Research II, 51, 2491-2505, 2004.

4. Leth, O., G. Shaffer & O. Ulloa. Hydrography of the eastern South Pacific Ocean: Results from the Sonne 102 cruise, May-June 1995. Deep-Sea Research II, 52, 2349-2369, 2004.

5. Stuart, V., O. Ulloa, G. Alarcón, S. Sathyendranath, H. Major, E. J. H. Head & T. Platt.. Bio-optical characteristics of phytoplankton populations in the upwelling system off the coast of Chile. Revista Chilena de Historia Natural, 77, 87-105, 2004.