Restoring Ecosystem Health in Ponderosa Pine Forests of the SouthwestW. Wallace Covington, Michael R. Wagner, Thomas E. Kolb et al.|Journal of Forestry|1997Cited by 598
Six-year changes in mortality and crown condition of old-growth ponderosa pines in ecological restoration treatments at the G. A. Pearson Natural AreaThomas E. Kolb, W. Wallace Covington, Peter Z. Fulé et al.|Unknown|2001Cited by 16