Lun, 22/09/2003 / Dom, 28/09/2003

Slovene Committee of IAH; Croation National Group of IAHN; IAH Yugoslav National Chapter; Slovene National Group of ISRM

Jue, 20/11/2003 / Sáb, 22/11/2003

Asociación Internacional de Hidrogeólogos. Grupo Español

Mar, 23/09/2003 / Vie, 26/09/2003

Centro Universitario Rosario de Investigaciones Hidroambientales (CURIHAM)

Dom, 17/08/2003 / Vie, 22/08/2003

International Water Association (IWA ); Centre for Water Resources Research, Civil Engineering Department, University College Dublin

Lun, 19/07/2004 / Jue, 22/07/2004

University of Waterloo; International Association for Hydrological Sciences (IAHS)

Lun, 13/09/2004 / Jue, 16/09/2004

"Faculty of Science, Charles University (Universita Karlova); International Commission on Groundwater (ICGW), of the International Association of Hydrological Sciences (IAHS); International Ground Water Modeling Center (IGWMC); US Geological Survey (USGS)

Lun, 27/09/2004 / Vie, 01/10/2004

National Committee of Germany for IHP/UNESCO and OHP/WMO; Technical University of Braunschweig (Germany); The Berchtesgaden National Park Authority, Germany

Mar, 09/12/2003 / Vie, 12/12/2003

National Ground Water Association

Jue, 21/07/2005 / Vie, 22/07/2005

National Groundwater Association (NGA), Asociación Nacional de Aguas Subterráneas, EE.UU

Lun, 07/11/2005 / Jue, 10/11/2005

American Water Resources Association, Asociación de Recursos Hídricos de EE.UU.