Lun, 14/06/2004 / Jue, 17/06/2004

International Environmental Modelling and Software Society; Harmoni-CA (Concerted Action on Harmonizing Modelling Tools for River Basin Management); German Environmental Foundation; Institute of Environmental Systems Research, University of Osnabrück

Lun, 07/06/2004 / Jue, 10/06/2004

International Water Association; Seoul National University

Dom, 25/04/2004 / Jue, 29/04/2004

American Filtration and Separation Society