@article {emelko2004microspheres,
	title = {Microspheres as surrogates for Cryptosporidium filtration},
	journal = {Journal-American Water Works Association},
	volume = {96},
	number = {3},
	year = {2004},
	pages = {94{\textendash}105},
	author = {Emelko, Monica B and Huck, Peter M}
}
