1. Becker, R. A., &Cleveland, W. S. (1991a). Viewing multivariate scattered data.Pixel,2(2), 36–41.
2. Becker, R. A., &Cleveland, W. S. (1991b). Taking a broader view of scientific visualization.Pixel,2(2), 42–44.
3. Cleveland, W. S., &McGill, R. (1984). Graphical perception: Theory, experimentation, and the application to the development of graphical methods.Journal of the American Statistical Association,79, 532–554.
4. Cleveland, W. S., &McGill, R. (1986). An experiment in graphical perception.International Journal of Man-Machine Studies,25, 491–500.
5. Cleveland, W. S. (1987). Research in statistical graphics.Journal of the American Statistical Association,82, 419–423.