@inproceedings{STOC-2006-AmbainisSW,
	author        = "Andris Ambainis and Robert Spalek and Ronald de Wolf",
	booktitle     = "{Proceedings of the 38th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/1132516.1132604",
	isbn          = "1-59593-134-1",
	pages         = "618--633",
	publisher     = "{ACM}",
	title         = "{A new quantum lower bound method, : with applications to direct product theorems and time-space tradeoffs}",
	year          = 2006,
}