The Eyes Have It A Research Paper by Ben Shneiderman www.cs.umd.edu The Visual Information Seeking Mantra visualizationinformationdata
Readings in Information Visualization: Using Vision to Think A Book by Ben Shneiderman visualizationthinkinginformation
Better colormaps? An Article by Mark Liberman languagelog.ldc.upenn.edu A modest sample of alternative ways of coloring the same type of 2-D density plots of rates of F0 change and amplitude change. colorvisualization