www.eng.warwick.ac.uk

http://www.eng.warwick.ac.uk/ircsa/ [Accessed: 28.11.2012]

The International Rainwater Catchment Systems Association (IRCSA) aims to promote and advance rainwater catchment systems technology with respect to planning, development, management, science, technology, research and education worldwide. Its website contains factsheets and papers related to rainwater harvesting.