@inproceedings{STOC-2005-DobzinskiNS,
	author        = "Shahar Dobzinski and Noam Nisan and Michael Schapira",
	booktitle     = "{Proceedings of the 37th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/1060590.1060681",
	isbn          = "1-58113-960-8",
	pages         = "610--618",
	publisher     = "{ACM}",
	title         = "{Approximation algorithms for combinatorial auctions with complement-free bidders}",
	year          = 2005,
}