R. Sheley, JACOBS, J. A. M. E. S. S., and Martin, J. M.,
“Integrating 2,4-D and Sheep Grazing to Rehabilitate Spotted Knapweed Infestations”,
Journal of Range Management, vol. 57, no. 4, p. 371, 2004.
R. Sheley, JACOBS, J. A. M. E. S. S., and Martin, J. M.,
“Integrating 2,4-D and sheep grazing to rehabilitate spotted knapweed infestations”,
Rangeland Ecology & Management, vol. 57, no. 4, pp. 371 - 375, 2004.
R. Sheley, JACOBS, J. A. M. E. S. S., and Svejcar, T.,
“Integrating disturbance and colonization during rehabilitation of invasive weed-dominated grasslands”,
Weed Science, vol. 53, no. 3, pp. 307 - 314, 2005.