Pauley, S.S.Mohn, C.A.2010-02-182010-02-181971-07-15Pauley, S.S. and Mohn, C.A., (1971), "Selective Defoliation by the Yellow-Headed Spruce Sawfly", Minnesota Forestry Research Notes 229, School of Forestry, University of Minnesota0544-3555https://hdl.handle.net/11299/58159Published as Scientific Journal Paper Series No. 7504 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport