Biblio
Range Research Areas in the Western United States, vol. 671. Agricultural Experiment Station, Oregon State University, 1988.
, “Control effort exacerbates invasive-species problem.”, Ecol Appl, vol. 19, no. 1, pp. 155-62, 2009.
, “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.
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