@article {1194,
	title = {Characterisation of indicator organisms and pathogens in domestic greywater for recycling},
	journal = {Environmental monitoring and assessment},
	volume = {129},
	year = {2007},
	pages = {61},
	url = {https://link.springer.com/article/10.1007/s10661-006-9427-y},
	author = {Birks, R and Hills, S}
}
@article {1193,
	title = {Microbiological water quality in a large in-building, water recycling facility},
	journal = {Water Science and Technology},
	volume = {50},
	year = {2004},
	pages = {165{\textendash}172},
	url = {https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.484.957\&rep=rep1\&type=pdf},
	author = {Birks, Rebecca and Colbourne, Jeni and Hills, S and Hobson, R}
}
