W. Aigner, Miksch, S., Müller, W., Schumann, H., and Tominski, C., “{Visual Methods for Analyzing Time-Oriented Data}”, IEEE Transactions on Visualization and Computer Graphics, vol. 14, pp. 47–60, 2008.
W. Aigner, Miksch, S., Schumann, H., and Tominski, C., Visualization of Time-Oriented Data, 1stst ed. London, UK: Springer Verlag, 2011, p. 286.
