1. Changes in understory production for three prescribed burns of different ages in ponderosa pine;Andariese;For. Ecol. Manage.,1986
2. Industrial methods for the AutoAnalyzer II;Anonymous,1974
3. Changes in ponderosa pine bunchgrass ranges in northern Arizona resulting from pine regeneration and grazing;Arnold;J. For.,1950
4. Fire ecology in ponderosa pine grassland;Biswell,1972
5. Ponderosa fire management — a task force evaluation of controlled burning in ponderosa pine forests of central Arizona;Biswell,1973