1. Field techniques for exposure of plants and ecosystems to elevated CO2 and others trace gases;Allen;Crit. Rev. Plant Sci.,1992
2. Terrestrial higher-plant response to increasing atmospheric [CO2] in relation to the global carbon cycle;Amthor;Global Change Biol.,1995
3. Searching for a Relationship Between Forest Water Use and Increasing Atmospheric CO2 Concentration with Long-Term Hydrologic Data from the Hubbard Brook Experimental Forest;Amthor,1998
4. Biota growth factor β: Stimulation of terrestrial ecosystem net primary production by elevated atmospheric CO2;Amthor,1996
5. Mechanisms of shrubland expansion: Land use, climate or CO2;Archer;Climatic Change,1995