@inproceedings{ICEIS-v3-2011-Ke,
	author        = "Xinsheng Ke",
	booktitle     = "{Proceedings of the 13th International Conference on Enterprise Information Systems, Volume 3}",
	isbn          = "978-989-8425-55-3",
	pages         = "428--431",
	publisher     = "{SciTePress}",
	title         = "{Study about the Development of the Productivity in Information Society}",
	year          = 2011,
}