@book {hrg14,
	title = {Quantitative Microbial Risk Assessment: Second Edition},
	year = {2014},
	publisher = {John Wiley \& Sons},
	organization = {John Wiley \& Sons},
	url = {https://onlinelibrary.wiley.com/doi/book/10.1002/9781118910030},
	author = {Haas, CN and Rose, JB and Gerba, CP}
}
@article {1201,
	title = {Risk assessment and control of waterborne giardiasis.},
	journal = {American Journal of Public Health},
	volume = {81},
	year = {1991},
	pages = {709{\textendash}713},
	doi = {10.2105/ajph.81.6.709},
	url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1405147/},
	author = {Rose, JB and Haas, CN and Regli, Stig}
}
