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Methods for assessing relative risk of damage to soils and vegetation arising from winter sports development in the Scottish Highlands
Wood, T. F., (1987)
Recreation in the countryside : a spatial analysis
Coppock, John T., (1975)
Schottland, das Nordseeöl und die britische Wirtschaft : eine Reise zum Rande Europas
Ulsamer, Cordula, (1991)