www.afssociety.org
American Water Works Association
www.awwa.org
Association of the Nonwoven Fabrics Industry
www.inda.org
Association of Water Technologies
www.awt.org
Centro Italiano per la Riqualificazione Fluviale
(CIRF)
www.cirf.org
Desalination Directory
www.desline.com
European Desalination Society
www.edsoc.com
European Membrane Society
www.emsoc.eu
Filter Manufacturers Council
www.filtercouncil.org
Filtration+Separation Magazine
www.filtsep.com
International Office for the Water
www.oieau.fr/anglais/index.htm
International Water Association
www.iwahq.org.uk
National Air Filtration Association
www.nafahq.org
North American Membrane Society
www.che.utexas.edu/nams/NAMSHP.html
The Filtration Society
www.lboro.ac.uk/departments/cg/research/filtration
Water Environment Federation
www.wef.org
ACQUALINE, banca dati
www.eins.org