1. Time-response graphs for understory production following fall prescribed burning in Arizona ponderosa pine on basalt soils [thesis];Andariese,1982
2. Effect of fire on a Symphoricarpos occidentalis shrub community in central Alberta;Anderson;Canadian Journal of Botany,1979
3. Mechanisms of shrubland expansion: land use, climate or CO2;Archer;Climate Change,1995
4. A legacy of change. Historic human impact on vegetation of the Arizona borderlands;Bahre,1991
5. Influence of history and climate on New Mexico pinyon–juniper woodlands;Betancourt,1993