B. Bolker
Bolker, B. M., S. W. Pacala, F.A. Bazzaz, Charles D. Canham, and S.A. Levin. 1995. “Species Diversity and Ecosystem Response to Carbon Dioxide Fertilization: Conclusions from a Temperate Forest Model”. Global Change Biol. 1: 373-81. http://www.caryinstitute.org/reprints/Bolker_et_al_1995_Glob_Change_Bio_1_373-381.pdf.