@article {32332,
	title = {A literature review and bibliography of factors affecting the productivity of benthic invertebrates in running waters and the use of trophic classification in aquatic energy studies},
	volume = {RMD Report L 52},
	year = {1980},
	note = {Project WS 1.3.5},
	pages = {216},
	institution = {IEC International Environmental Consultants Ltd. for Alberta Oil Sands Environmental Research Program},
	author = {Crowther, R. A. and Griffing, T. C.}
}
