@book{207394,
	author = {Klöpffer, Walter, and Grahl, B.},
	title = {Life cycle assessment (LCA) : a guide to best practice /},
	publisher = {Wiley-VCH,},
	year = {2014.},
	address = {Weinheim an der Bergstrasse, Germany :},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9783527655625}
}