

@article {4071,
	title = {Determining Giardiasis prevalence by examination of sewage},
	journal = {Water Science and Technology},
	volume = {24},
	year = {1991},
	pages = {173{\textendash}178},
	author = {Jakubowski, W and Sykora, JL and Sorber, CA and Casson, LW and Gavaghan, PD}
}
