Smith, R. S. (1982). The use of land classification in resource assessment and rural planning: A report on methods developed at the Institute of Terrestrial Ecology and Cumbria County Council. The Institute.
Tohutoru Kātū ChicagoSmith, Roger S. The Use of Land Classification in Resource Assessment and Rural Planning: A Report on Methods Developed at the Institute of Terrestrial Ecology and Cumbria County Council. Cambridge: The Institute, 1982.
Tohutoro MLASmith, Roger S. The Use of Land Classification in Resource Assessment and Rural Planning: A Report on Methods Developed at the Institute of Terrestrial Ecology and Cumbria County Council. The Institute, 1982.
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