This 25-page document gives a well-balanced overview of the targets, means and progress on closing the gap of access to sanitation worldwide. It also elaborates on financial aspects required for closing the sanitation gap. While the body is only as long as 11 pages, an extensive footnote section provides further information.
OECD (2004): Closing the Sanitation Gap – the Case for Better Public Funding of Sanitation and Hygiene. Round Table on Sustainable Development. Paris: OECD URL [Accessed: 31.03.2011]