Meyer, M., (1973), "A 35mm Aerial Photography System for Forest and Range Resource Analysis", Minnesota Forestry Research Notes 240, School of Forestry, University of Minnesota
Minnesota Forestry Research Notes
Published as Scientific Journal Paper Series No. 8191 of the Minnesota Agricultural Experiment Station.
A 35mm Aerial Photography System for Forest and Range Resource Analysis.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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