Hammerlynk, E. P., Huxman, T. E., Smith, S. D., Nowak, R. S., Redar, S., Loik, M. E., Jordan, D. N., Zitzer, S. F., Coleman, J. S., Seemann, J. R. (2000). Photosynthetic responses in contrasting Mojave Desert shrub species to increased CO2 concentration at the Nevada Desert FACE facility, Journal of Arid Environments, 44, 425-436