F. B. Pierson, Bates, J. D., Svejcar, T., and Hardegree, S. P.,
“Runoff and erosion after cutting western juniper”,
Rangeland Ecology & Management, vol. 60, pp. 285–292, 2007.
G. B. Crosby and Ross, A. S.,
“The RVA Handbook”,
Starch - Stärke, vol. 59, no. 11, pp. 573 - 573, 2007.