Bauck, R. and Brown, R.M., (1955), "Sharpening an Increment Borer", Minnesota Forestry Notes 39, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Misc. Jour. Ser. Paper No. 887 of the Minn. Agr. Expt. Sta.
Bauck, Robert; Brown, R.M..
Sharpening an Increment Borer.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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