Title from PDF cover (viewed on July 10, 2012).
At head of title: Department for Environment Food and Rural Affairs.
At foot of title: Flood and Coastal Erosion Risk Management Research and Development Programme.
"Product number: SC090025/R2"--T.p. verso.
Delivering benefits through evidence : appraisal of existing flow stemming systems by Peter Halstead. ISBN 9781849112291. Published by Environment Agency in 2011. Publication and catalogue information, links to buy online and reader comments.