Biblio

M. J. Rinella, Maxwell, B. D., Fay, P. K., Weaver, T., and Sheley, R., “Control effort exacerbates invasive-species problem.”, Ecol Appl, vol. 19, no. 1, pp. 155-62, 2009.

E. K. Heyerdahl, Miller, R. F., and Parsons, R. A., “History of fire and Douglas-fir establishment in a savanna and sagebrush–grassland mosaic, southwestern Montana, USA”, Forest Ecology and Management, vol. 230, no. 1-3, pp. 107 - 118, 2006.

O. State Univ Station, Range Research Areas in the Western United States, vol. 671. Agricultural Experiment Station, Oregon State University, 1988.