@article {1514,
	title = {Leaf gas exchange and water potential responses to drought in nine poplar (Populus spp.) clones with contrasting drought tolerance.},
	journal = {Trees},
	volume = {23},
	year = {2009},
	pages = {959-969},
	author = {Silim, S. and Nash, R. and Reynard, D. and White, B. and Schroeder, W.}
}
