@article {104,
	title = {Ecological role of Phormidium retzii (Cyanobacteria) in a small Ohio woodland stream},
	journal = {Journal of Freshwater Ecology},
	volume = {18},
	year = {2003},
	chapter = {395-404},
	author = {Casamatta, D.A. and Vis, M. L.}
}
@article {97,
	title = {Analysis of acid mine drainage impacted streams using a periphyton index},
	journal = {Journal of Freshwater Ecology},
	volume = {19},
	year = {2004},
	chapter = {313-324},
	author = {Hamsher, S.E. and Verb, R.G. and Vis, M. L.}
}
@article {55,
	title = {Can pollution severity affect diatom succession in streams, and could it matter for stream assessment?},
	journal = {Journal of Freshwater Ecology},
	year = {2013},
	author = {Smucker, N. J. and Vis, M. L.}
}
