@article{2010-tick-labels,
  title = {An Extension of Wilkinson’s Algorithm for Positioning Tick Labels on Axes},
  author = {Justin Talbot AND Sharon Lin AND Pat Hanrahan},
  journal = {IEEE Trans. Visualization \& Comp. Graphics (Proc. InfoVis)},
  year = {2010},
  url = {http://vis.stanford.edu/papers/tick-labels}
}