- Biblio
M
R. A. Riggs, Tiedemann, A. R., Cook, J. G., Ballard, T. M., Edgerton, P. J., Vavra, M., Krueger, W. C., 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”, PNW-RP-527, 2000.