Human Settlements Programme, IIEDPublication year: 2009Source publication informationJournal Title: Environment and urbanisationVolume: Vol. 21 No. 1 Pages: pp 3-294PublisherSageIIED, 3 Endsleigh Street, London, WC1H ODD, UKLondon, UKwww.iied.org/eandu Publisher reference: Sage Publications