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Showing items 1 through 9 of 4.-
Library ResourceJanuary, 1958Sweden
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Library ResourceJanuary, 1957Ireland
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Library ResourceReports & ResearchJuly, 1957Norway
The obtaining of quantitative data for economic analysis of changes in the agricultural use of land has been a problem in recent years. Field study is a slow and expensive method of providing information. Usually, it requires several experienced persons to collect the data needed. The airphoto interpretation method described in this article supplies suitable data for economic studies with considerable savings in time and cost. With this method, a minimum of personnel is needed.
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Library ResourceJournal Articles & BooksDecember, 1957United States of America, Dominican Republic, Chile, Germany, Laos, United Kingdom, Canada, Iran, Colombia, Liberia, Italy, Poland, Cambodia, Bolivia, Sudan, Netherlands
An international journal of forestry and forest industries
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