@inproceedings{STOC-2001-MossR,
	author        = "Anna Moss and Yuval Rabani",
	booktitle     = "{Proceedings of the 33rd Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/380752.380826",
	isbn          = "1-58113-349-9",
	pages         = "373--382",
	publisher     = "{ACM}",
	title         = "{Approximation algorithms for constrained for constrained node weighted steiner tree problems}",
	year          = 2001,
}