1. Readings in Information Visualization: Using Vision to Think;CARD,1999
2. Information Visualisation and Virtual Environments;CHEN,1999
3. Towards a methodology for developing visualisations;GRAHAM;International Journal of Human–Computer Studies,2000
4. A comparison of set-based and graph-based visualisations of overlapping classification hierarchies;GRAHAM,2000
5. Cat-a-Cone: an interactive interface for specifying searches and viewing retrieval results using a large category hierarchy;HEARST,1997