@article{Chen2007a,
	title = {The randomly organized structure of urban ground bus-transport networks
	in China},
	author = {Yong-Zhou Chen and Nan Li},
	day = {01},
	journal = {Physica A: Statistical Mechanics and its Applications},
	month = {Dec},
	number = {1},
	pages = {388--396},
	url = {http://www.sciencedirect.com/science/article/B6TVG-4PB6VWD-3/1/32d04eca44199de1a754cea8f0948367},
	volume = {386},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/266a8b3b97c63e8fe453c350bc56499a2/smicha},
	description = {Physica A},
	keywords = {Bus network transport }
}