Geert De Meyer and G. Van Eetvelde, “NAVDEX, a helpful tool for the classification of environmental legislation,” Proceedings of the 9th International Business Information Management Association (IBIMA), ISBN: 978-0-9753393-8-1, 4- 6 January 2008, Marrakech, Morocco, p.813-819.
Geert De Meyer, L. Lavrysen and ir. G. Van Eetvelde, “The Potential Positive Impact of E-Government Projects the Flemish Environmental Legislation Navigator: Conclusions of an Inquiry about the Use and the Benefit of an on-Line Legal Environmental Expert System,” Proceedings of the 5th International Business Information Management Association (IBIMA), ISBN: 978-0-9753393-4-3, 13- 15 December 2005, Cairo, Egypt, p.315-321.