1. H. Alegre. Water infrastructure asset management, Research Program, Series «Thesis and Research Programmes», LNEC, Lisbon, ISBN 9789724921341 (in Portuguese) 2008.
2. www.aware-p.org.
3. www.iniciativagpi.org.
4. www.werf.org/a/k/Search/ResearchProfile.aspx?ReportID=INFR5R12.
5. S.T. Coelho, D. Vitorino, H. Alegre, AWARE-P: a system-based software for urban water IAM planning. 2013 IWA LESAM, Sydney, Australia, (2013).