Schantz-Hansen, T. and Jensen, R.A., (1954), "A Study of Jack Pine Source of Seed", Minnesota Forestry Notes 25, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Series Paper No. 3099 of the Minnesota Agricultural
Schantz-Hansen, T.; Jensen, Raymond A..
A Study of Jack Pine Source of Seed.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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