Kulman, H.M., Hodson, A.C. and Duncan, D.P., (1957), "Preliminary Observations of an Inquiry into the Effects of the Defoliation of Jack Pine by the Jack Pine Budworm", Minnesota Forestry Notes 56, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Paper Series No. 3715 of the Minnesota Agricultural Experiment Station.
Kulman, H.M.; Hodson, A. C. (Alexander Carlton), 1906-1996; Duncan, D.P..
Preliminary Observations of an Inquiry into the Effects of the Defoliation of Jack Pine by the Jack Pine Budworm.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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