- Biblio
R
R. A. Riggs, Tiedemann, A. R., Cook, J. G., Ballard, T. M., J, E. P., Vavra, M., Krueger, W. Clement, Hall, F. C., Bryant, L. D., Irwin, L. L., and Delcurto, T.,
“Modification of Mixed Conifer Forests by Ruminant Herbivores in the Blue Mountains Ecological Province”, 2000.