Westerman, Donald W.Skok, Richard A.Smith, Marvin E.2010-02-152010-02-151968-07-15Westerman, D.W., Skok, R.A. and Smith, M.E., (1968), "The Twin Cities Retail Christmas Tree Market, 1967", Minnesota Forestry Research Notes 194, School of Forestry, University of Minnesota0544-3555https://hdl.handle.net/11299/57812Published as Scientific Journal Paper Series No. 6637 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport