Ffolliott, Peter F. & Ortega Rubio, Alfredo editors books & textbook
Ecology and Management of Forests, Woodlands, and Shrublands in the Dryland Regions of the United States and Mexico: Perspectives for the 21st Century
Ffolliott, Peter F. & Ortega-Rubio, Alfredo - editors
University of Arizona , Centro de Investigaciones del Noroeste S. C. & USDA Forest Service /1999T Paperback
