Meyer, Merle P.Marshall, James R.2010-02-222010-02-221977-01Meyer, M.P. and Marshall, J.R., (1977), "Specifications for Improvement of Tonal Contrast Quality in B&W Summer Infrared Forest Aerial Photography", Minnesota Forestry Research Notes 263, School of Forestry, University of Minnesota0544-3555https://hdl.handle.net/11299/58325Published as Scientific Journal Paper Series No. 9759 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport