@inproceedings{SIGMOD-1984-Kriegel,
	author        = "Hans-Peter Kriegel",
	booktitle     = "{Proceedings of the 14th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD84/P186.PDF",
	doi           = "10.1145/602259.602284",
	pages         = "186--196",
	publisher     = "{ACM Press}",
	title         = "{Performance Comparison of Index Structures for Multi-Key Retrieval}",
	year          = 1984,
}