@book{51504,
	author = {Bonabeau, Eric. and Dorigo, Marco. and ebrary, Inc.},
	title = {Swarm intelligence},
	publisher = {Oxford University Press,},
	year = {1999.},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10086939}
}