@book{ayres1996,
	title = {Industrial ecology : towards closing the materials cycle},
	address = {Elgar},
	annote = {XXV, 379 S},
	author = {{Robert U.} Ayres and {Leslie W.} Ayres},
	howpublished = {Cheltenham [u.a.]},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+196127408&sourceid=fbw_bibsonomy},
	year = {1996},
	biburl = {http://www.bibsonomy.org/bibtex/26c11b06c75ebce62b0284203ed6af46a/fbw},
	description = {imported},
	isbn = {1-85898-397-5},
	keywords = {Umweltschutz Wirtschaftskreislauf }
}