@article {31882,
	title = {Bryophyte and understory vascular plant beta diversity in relation to moisture and elevation gradients},
	volume = {40},
	year = {1979},
	pages = {29-38},
	publisher = {Plant Ecology},
	url = {http://www.springerlink.com/content/tu1h0m5h6176l160/},
	author = {Lee, Thomas D. and La Roi, George H.}
}
