Hymus, Graham J., Johnson, David P., Dore, Sabina, Anderson, Hans P., Hinkle, C. Ross, and Drake, Bert G. 2003. "
Effects of elevated atmospheric CO2 on net ecosystem CO2 exchange of a scrub–oak ecosystem."
Global Change Biology, 9, (12) 1802–1812.
https://doi.org/10.1111/j.1365-2486.2003.00675.x.