Collins, P.E. and Hansen H.L., (1953), "Suppression Effects in Twenty-Five-Year-Old Windbreak Plantings", Minnesota Forestry Notes 14, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Series Paper No. 2970 of the Minnesota Agricultural
Collins, Paul E.; Hansen, Henry L..
Suppression Effects in Twenty-Five-Year-Old Windbreak Plantings.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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