T. G. Pypker, Hauck, M., Sulzman, E. W., Unsworth, M. H., Mix, A. C., Kayler, Z., Conklin, D., Kennedy, A. M., Barnard, H. R., Phillips, C. L., and Bond, B. J.,
“Toward using δ13C of ecosystem respiration to monitor canopy physiology in complex terrain”,
Oecologia, vol. 15, no. 3, pp. 399 - 410, 2008.