@Article{TSMML10:smallworld,
	author = {John Tang and Salvatore Scellato and Mirco Musolesi and Cecilia Mascolo and Vito Latora},
	title = {Small-world Behavior in Time-varying Graphs},
	journal = {Physical Review E},
	year = {2010},
	volume = {81},
	number = {5},
	month = {May},
	note = {055101(R)}
}