Why Should Engineers and Scientists Be Worried About Color?
researchweb.watson.ibm.com
researchweb.watson.ibm.com
Data Visualization: The End of the Rainbow. B. Rogowitz and L. Treinish, IEEE Spectrum, 35, n. 12, pp. 52-59, December, 1998.
There's also the fun "what's the most recent citation" hunt in the references section of undated papers - I had noted 1998 in this particular one.