Thu, 20/02/2003 / Sat, 22/02/2003

American Water Works Association

Wed, 20/08/2003 / Sat, 23/08/2003

Global Sanitet Club of Finland; Association of Ecological Information; Tampere University of Technology (TUT); University of Tampere (UTA); Tampere Polytechnic (TP); Häme Polytechnic

Mon, 06/10/2003 / Wed, 08/10/2003

Euro-Institute for Information and Technology Transfer in Environmental Protection

Tue, 06/09/2005 / Tue, 06/09/2005

Asociación Catalana de Amigos del Agua

Tue, 05/05/2009 / Thu, 07/05/2009