1. A method to calculate the losses caused by western spruce budworm in uneven-aged Douglas fir forests of British Columbia;Alfaro;For. Ecol. Manage.,1992
2. Tree mortality and radial growth losses caused by western spruce budworm in a Douglas-fir stand in British Columbia;Alfaro;Can. J. For. Res.,1982
3. Dendroecological reconstruction of mountain pine beetle outbreaks in the Chilcotin plateau of British Columbia;Alfaro,2004
4. Alfaro, R.I., Axelson, J., Lewis, K., Barichivich, J., Duran, L., Gee, H., Haavik, L, Hardy, K., Jones, E., Lopez, L., Mansilla, C., Pena, M., Suarez, L., 2008. Dendroecological reconstruction of western spruce budworm (Choristoneura occidentalis Freeman) at McCall Lakes, Peachland, British Columbia, Canada. North American Dendroecological Fieldweek. (accessed June 2014).
5. Periodicity of western spruce budworm in Southern British Columbia, Canada;Alfaro;For. Ecol. Manage.,2014