@book{[hrsg.]2007,
	title = {The traveling salesman problem and its variations},
	address = {Springer},
	annote = {XVIII, 830 S.},
	author = {{Gregory} Gutin [Hrsg.] and {Abraham P.} Punnen [Hrsg.]},
	howpublished = {New York, NY},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+516440713&sourceid=fbw_bibsonomy},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/2fe835685a693b961f7f1e2b13a8c900a/fbw},
	description = {imported},
	isbn = {0-387-44459-9=978-0-387-44459-8},
	keywords = {Kombinatorische_Optimierung Travelling-salesman-Problem }
}