@article{VLDB-2008-KoltsidasMV,
	author        = "Ioannis Koltsidas and Heiko Müller and Stratis Viglas",
	ee            = "http://www.vldb.org/pvldb/1/1453983.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "1205--1216",
	title         = "{Sorting hierarchical data in external memory for archiving}",
	volume        = 1,
	year          = 2008,
}