Heavy thinning of ponderosa pine stands [microform] : an Arizona case study / Peter F. Ffolliott, Malchus B. Baker, Jr., and Gerald J. Gottfried (Research paper RMRS ; RP-22)
Heavy thinning of ponderosa pine stands [microform] : an Arizona case study / Peter F. Ffolliott, Malchus B. Baker, Jr., and Gerald J. Gottfried