@article {Lewis:11 June 1987::67,
	author = "Lewis, David",
	title = "Eighteen. The Paradoxes of Time Travel",
	journal = "Philosophical Papers Volume II",
	volume = "1",
	year = "11 June 1987",
	abstract = "This paper argues that time travel is possible, and that the paradoxes of time travel are oddities, not impossibilities. The defence of the possibility of time travel involves a commitment to enduring things having temporal as well as spatial parts, psychological continuity and connectedness and causal continuity as criteria of personal identity, and a distinction between external and personal time.",
	pages = "67-81(15)",
	url = "http://www.ingentaconnect.com/content/oso/450612/1987/00000001/00000001/art00004"
}