Populus tremuloides photosynthesis and crown architecture in response to elevated CO < inf> 2 and soil N availability, Mark E. Kubiske, Kurt S. Pregitzer, Carl J. Mikan, Donald R. Zak, Jennifer L. Maziasz, James A. Teeri
Michigan Tech Publications

Belowground responses to rising atmospheric CO < inf> 2 : Implications for plants, soil biota and ecosystem processes - Executive summary, Peter S. Curtis, Elizabeth G. O'Neill, James A. Teeri, Donald R. Zak, Kurt S. Pregitzer
Michigan Tech Publications