Olson, C.E., Jr. and Schnieder, A.E., (1953), "Observations on the Response of Balsam Fir to Release", Minnesota Forestry Notes 22, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Series Paper No. 3050 of the Minnesota Agricultural
Olson, Charles E. Jr.; Schnieder, Arthur E..
Observations on the Response of Balsam Fir to Release.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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