@book{33449,
	author = {Schöbel, Anita. and SpringerLink (Online service)},
	title = {Optimization in Public Transportation},
	publisher = {Springer US,},
	year = {2006.},
	series = {Springer Optimization and Its Applications,},
	address = {Boston, MA :},
	url = {http://dx.doi.org/10.1007/978-0-387-36643-2}
}