"Programme area & reference: water mains & services and leakage: maintenance WM/12"--T.p.
Report ref. no. 08/WM/12/23.
National Underground Assets Group : defining the technological capability necessary for sharing and displaying asset information : user requirements by Chris Overton. ISBN 1840575077. Published by UK Water Industry Research Ltd. in 2008. Publication and catalogue information, links to buy online and reader comments.