7Ackerman,F.& Eden,C.(2001).Contrasting single user and networked group decision support systems for strategy making.Group Decision and Negotiation,10,47-66.
8Eden,C.(1988).Cognitive mapping.European Journal of Operational Research,36,1-13.
9Eden,C.(1992).On the nature of cognitive maps.Journal of Management Studies ,29,261 -265.
10Eppler,M.J.& Burkard,R.A.(2004).Knowledge Visualization: Towards a New Discipline and its Fields of Application.ICAWorking Paper #2/2004,University of Lugano,Lugano.