Kljun, N., Bernier, P., Bartlett, P., Black, T., Barr, A., Kljun, N., & McCaughey, J. (2006). Drought constraints on transpiration and canopy conductance in mature aspen and jack pine stands. Agricultural and Forest Meteorology, 140(1-4), pp. 64-78. doi:10.1016/j.agrformet.2006.03.019

Kljun, Natascha, P.Y Bernier, P. Bartlett, T.A Black, A. Barr, N. Kljun, and J.H McCaughey. "Drought Constraints On Transpiration and Canopy Conductance in Mature Aspen and Jack Pine Stands." Agricultural and Forest Meteorology 140, no. 1-4 (2006): 64-78.

Kljun, Natascha, et al. "Drought Constraints On Transpiration and Canopy Conductance in Mature Aspen and Jack Pine Stands." Agricultural and Forest Meteorology 140.1-4 (2006): 64-78.