@article {33489,
	title = {Macroinvertebrate subsampling: simplified apparatus and approach},
	volume = {39},
	year = {1982},
	pages = {1051-1054},
	publisher = {Canadian Journal of Fisheries and Aquatic Sciences},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjfas\&volume=39\&articleFile=f82-140.pdf},
	author = {Wrona, F. J. and Culp, J.M. and Davies, R. W.}
}
