@article{2008-graphical-histories,
  title = {Graphical Histories for Visualization: Supporting Analysis, Communication, and Evaluation},
  author = {Jeffrey Heer AND Jock Mackinlay AND Chris Stolte AND Maneesh Agrawala},
  journal = {IEEE Trans. Visualization \& Comp. Graphics (Proc. InfoVis)},
  year = {2008},
  volume = {14},
  issue = {6},
  pages = {1189--1196},
  url = {http://vis.stanford.edu/papers/graphical-histories}
}