@article {Gray:2006:1938-6478:3671,
	author = "Gray, William and Cleys, Tammy R. and Irwin, Gary and Boyce, Glenn and Cook, Roy",
	title = "City of Portland Bureau of Environmental Services Deep Tunnels for Combined Sewer Overflow Storage and Transport Portland, Oregon",
	journal = "Proceedings of the Water Environment Federation",
	volume = "2006",
	number = "9",
	year = "2006",
	abstract = "City of Portland - Bureau of Environmental Services Deep Tunnels for CSO Storage and Transport",
	pages = "3671-3687",
	url = "http://www.ingentaconnect.com/content/wef/wefproc/2006/00002006/00000009/art00039",
	doi = "doi:10.2175/193864706783751429"
}