1. [BCH+94] R. D. Bergeron, W. Cody, W. Hibbard, D. T. Kao, K. D. Miceli, L. A. Treinish, and S. Walther. Database Issues for Data Visualization: Developing a Data Model. In J. P. Lee and G. G. Grinstein, editors, Database Issues for Data Visualization, number 871 in Lecture Notes in Computer Science, pages 3–15. Springer-Verlag, 1994.
2. R. D. Bergeron and G. G. Grinstein. A Reference Model for the Visualization of Multi-dimensional Data. In Proceedings of Eurographics '89, Hamburg, F. R. G., September 1989. North Holland Publishing Company.
3. G. L. Cain. Introduction to General Topology. Addison-Wesley Publishing Company, Reading, Massachusetts, 1994.
4. J. C. French, A. K. Jones, and J. L. Pfaltz. A Summary of the NSF Scientific Database Workshop. In Proceedings of the 5th International Conference on Statistical and Scientific Database Management, Charlotte, North Carolina, April 1990.
5. L. Gelberg, D. Kamins, D. Parker, and J. Sacks. Visualization Techniques for Structured and Unstructured Scientific Data. In Proceedings of ACM SIGGRAPH '90, 1990.