@inproceedings{ICEIS-ISAS2-2008-Venable,
	author        = "John R. Venable",
	booktitle     = "{Proceedings of the 10th International Conference on Enterprise Information Systems, Volume 3.2: ISAS}",
	isbn          = "978-989-8111-38-8",
	pages         = "466--470",
	title         = "{Improving Requirements Analysis — Rigourous Problem Analysis and Formulation with Coloured Cognitive Maps}",
	year          = 2008,
}