Virtual Environments for Geographic Visualization: Potential and Challenges. - Alan M. MacEachren; Robert M. Edsall; Daniel Haug; Ryan Baxter; George Otto; Raymon Masters; Sven Fuhrmann; Liujian Qian (NPIVM@CIKM, 1999)

Constructing knowledge from multivariate spatiotemporal data: integrating geographical visualization with knowledge discovery in database methods. - Alan M. MacEachren; Monica Wachowicz; Robert M. Edsall; Daniel Haug; Raymon Masters (Int. J. Geogr. Inf. Sci., 1999)