Schoenike, R.E. and Hansen, H.L., (1954), "Viability of Black Spruce Seed in Four-Year-Old Logging Slash", Minnesota Forestry Notes 29, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Series Paper No. 3120 of the University of Minnesota Agricultural
Schoenike, Ronald E.; Hansen, Henry L..
Viability of Black Spruce Seed in Four-Year-Old Logging Slash.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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