Krzysztof R. Apt, Vincent Conitzer, Mingyu Guo, Evangelos Markakis. Welfare Undominated Groves Mechanisms. In Christos H. Papadimitriou, Shuzhong Zhang, editors, Internet and Network Economics, 4th International Workshop, WINE 2008, Shanghai, China, December 17-20, 2008. Proceedings. Volume 5385 of Lecture Notes in Computer Science, pages 426-437, Springer, 2008. [doi]