@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}
}
