@conference {14560,
	title = {Improved approximation algorithms for prize-collecting Steiner tree and TSP},
	booktitle = {2009 50th Annual IEEE Symposium on Foundations of Computer Science},
	year = {2009},
	month = {2009///},
	pages = {427 - 436},
	author = {Archer,A. and Bateni,M. H and Hajiaghayi, Mohammad T. and Karloff,H.}
}
