@article {47419,
	title = {Spatial variance of nutrient limitation of periphyton in montane, headwater streams (McLeod River, Alberta, Canada)},
	volume = {40},
	year = {2006},
	pages = {337-348},
	publisher = {Aquatic Ecology},
	url = {http://www.springerlink.com/content/x5v8l14042020483/},
	author = {Irvine, Robyn L. and Jackson, Leland J.}
}
