@article {Calfee:1 July 1998:0047-2727:83,
	author = "Calfee J.",
	author = "Winston C.",
	title = "The value of automobile travel time: implications for congestion policy",
	journal = "Journal of Public Economics",
	volume = "69",
	year = "1 July 1998",
	abstract = "",
	pages = "83-102(20)",
	url = "http://www.ingentaconnect.com/content/els/00472727/1998/00000069/00000001/art00095"
	doi = "doi:10.1016/S0047-2727(97)00095-9"
}