Ulliman, J.J.Frits, G.W.Meyer, M.P.John, H.H.2010-02-162010-02-161969-07-15Ulliman, J.J., Frits, G.W., Meyer, M.P. and John, H.H., (1969), "Effects of Scale, Printing Method and Print Surface Variations Upon Air Photo Image Quality", Minnesota Forestry Research Notes 206, School of Forestry, University of Minnesota0544-3555https://hdl.handle.net/11299/57945Published as Scientific Journal Paper Series No. 6992 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport