Books by Boyd E Wickman
A Case Study of a Douglas-Fir Tussock Moth
The battle against bark beetle
The battle against bark beetles in Crater Lake National Park, 1925-34
Growth of white fir after Douglas-fir tussock moth outbreaks
Radial growth of grand fir and douglas-fir 10 years after defoliation by the douglas-fir tussock moth in the Blue Mountains outbreak
A case study of a Douglas-fir tussock moth outbreak and stand conditions 10 years later
Douglas fir tussock moth egg hatch and larval development in relation to phenology of grand fir and Douglas-fir in northeastern Oregon