@article {36548,
	title = {Patterns of benthic invertebrate assemblages in rivers of northwestern North America},
	volume = {21},
	year = {1989},
	note = {42 sites},
	pages = {191-205},
	publisher = {Freshwater Biology},
	url = {http://www.blackwell-synergy.com/doi/abs/10.1111/Journal1365-2427.1988.tb00356.x},
	author = {Corkum, L. D.}
}
