@book{ BA36705996, author = "Willis, K. G. (Kenneth George) and Garrod, Guy and Economic and Social Research Council (Great Britain) and Countryside Change Initiative and University of Newcastle upon Tyne. Countryside Change Unit", title = "Some empirical estimates of forest amenity value", publisher = "Countryside Change Unit, Dept. of Agricultural Economics & Food Marketing, University of Newcastle upon Tyne", year = "1991", series = "Countryside change working paper series", number = "working paper 13", URL = "https://ci.nii.ac.jp/ncid/BA36705996" }