@article {1144,
	title = {Drought stress ecophysiology of shrub and grass functional groups on opposing slope aspects of a temperate grassland valley},
	journal = {Botany},
	volume = {88},
	year = {2010},
	pages = {850{\textendash}866},
	author = {Letts, MG and Johnson, DR and Coburn, C.A.}
}
