Mar, 25/03/2003 / Jue, 27/03/2003

International Water Association; The School of Water Sciencies. Cranfield University; AWWA Research Foundation

Lun, 07/04/2003 / Vie, 11/04/2003

Messe Berlin GmbH; International Water Association IWA, Reino Unido; German Gas and Water Industry Association (FIGAWA)

Lun, 23/06/2003 / Mié, 25/06/2003

Norwegian University of Science and Technology (NTNU); International Water Association IWA, Specialist Group on Sludge Management

Mié, 12/11/2003 / Vie, 14/11/2003

Institute of Engineering, Universidad Nacional de México; Faculty of Chemistry, Universidad Nacional de México; Minister of Environment of Mexico City; H. Minister of Infrastructure of Mexico City

Lun, 26/05/2003 / Mié, 28/05/2003

International Water Association (IWA)

Mar, 15/04/2003 / Vie, 18/04/2003

EXPOFORUM Exhibition Company; EXPOSERVICE Exhibition Company; The Ministry of Housing and Municipal Economy of the Republic of Belarus; Ministry of Natural Resources and Environmental Protection; Republic Water Association""AQUA-BEL""

Mar, 29/04/2003 / Mié, 30/04/2003

Dom, 06/06/2004 / Jue, 10/06/2004

GRAIE, Grand Lyon, INSA de Lyon; Eurydice 92

Lun, 18/08/2003 / Mié, 20/08/2003

Lun, 29/09/2003 / Vie, 03/10/2003

Instituto Cinara; Universidad del Valle en Colombia