Hansen, H.L. and Hodson, A.C., (1968), "Tree Suppression and Prediction of Mortality in an Aspen Stand in Itasca State Park", Minnesota Forestry Research Notes 198, School of Forestry, University of Minnesota
Minnesota Forestry Research Notes
Published as Scientific Journal Paper Series No. 6691 of the Minnesota Agricultural Experiment Station.
Hansen, H.L.; Hodson, A. C. (Alexander Carlton), 1906-1996.
Tree Suppression and Prediction of Mortality in an Aspen Stand in Itasca State Park.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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