@article {38312,
	title = {Differences between operators in collecting quantitative samples of stream macroinvertebrates},
	volume = {7},
	year = {1992},
	pages = {271-276},
	publisher = {Journal of Freshwater Ecology},
	url = {http://0-proquest.umi.com.aupac.lib.athabascau.ca/pqdweb?index=229\&did=110789540\&SrchMode=1\&sid=2\&Fmt=6\&VInst=PROD\&VType=PQD\&RQT=309\&VName=PQD\&TS=1219251530\&clientId=12302},
	author = {Clifford, H. F. and Casey, R. J.}
}
