

@article {16704,
	title = {Survey of potable water supplies for {Cryptosporidium} and {Giardia}},
	journal = {Environmental Science and Technology},
	volume = {25},
	year = {1991},
	pages = {1393{\textendash}1400},
	author = {Rose, J. B. and Gerba, C. P. and Jakubowski, W.}
}
