@book{34201,
	author = {Zhu, Joe. and Cook, Wade D. and SpringerLink (Online service)},
	title = {Modeling Data Irregularities and Structural Complexities in Data Envelopment Analysis},
	publisher = {Springer US,},
	year = {2007.},
	address = {Boston, MA :},
	url = {http://dx.doi.org/10.1007/978-0-387-71607-7}
}