Robert W. Campbell

• Accounting in Soviet Planning and Management
• Forecasting defoliation by the gypsy moth in oak stands
• Forest stand responses to defoliation by the gypsy moth
• Gypsy moth egg-mass density and subsequent defoliation
• Relationships between overstory composition and gypsy moth egg-mass density
• Some effects of predaceous birds and ants on the western spruce budworm on conifer seedlings
• The analysis of numerical change in gypsy moth populations
• Bird exclosures for branches and whole trees
• Day-to-day survival of late-instar western spruce budworm larvae and pupae
• Douglas-fir tussock moth
• Flyabout
• Forecasting gypsy moth egg-mass density