Schantz-Hansen, T.Hall, O.F.2010-01-072010-01-071952-08-15Schantz-Hansen, T. and Hall, O.F., (1952), "Results of Testing Exotic Trees and Shrubs for Hardness in Northern Minnesota", Minnesota Forestry Notes 5, School of Forestry, University of Minnesota0099-4332https://hdl.handle.net/11299/56266Published as Scientific Journal Series Paper #2877 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport