@inproceedings{ICEIS-1999-PerfeitoA,
	author        = "Paulo Rogério Perfeito and Luis Alfredo Martins do Amaral",
	booktitle     = "{Proceedings of the First International Conference on Enterprise Information Systems}",
	pages         = "314--318",
	title         = "{SIPO: A System for the Establishment of Objects}",
	year          = 1999,
}