Hedgerow survey. (stock and change estimates of hedgegrow length in England and Wales, 1990-1993) /
Barr, Colin,1950-
Howard, David.
Gillespie, Morna.
Great Britain.Department of the Environment.
Grange-over-sands : Institute of Terrestrial Ecology,
1994.
"A report produced under contract to the Department of the Environment"