Kulman, H.M.2010-02-182010-02-181971-10-15Kulman, H.M., (1971), "Sawfly Defoliation Affects Shoot Growth of White Spruce --A Preliminary Report", Minnesota Forestry Research Notes 233, School of Forestry, University of Minnesota0544-3555https://hdl.handle.net/11299/58180Published as Scientific Journal Paper Series No. 7773 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport