@book{37193,
	author = {Huppes, Gjalt. and Ishikawa, Masanobu. and SpringerLink (Online service)},
	title = {Quantified Eco-Efficiency},
	publisher = {Springer Netherlands,},
	year = {2007.},
	series = {Eco-Efficiency in Industry and Science,},
	address = {Dordrecht :},
	url = {http://dx.doi.org/10.1007/1-4020-5399-1}
}