@inproceedings{2007-senseus,
  title = {Voyagers and Voyeurs: Supporting Asynchronous Collaborative Information Visualization},
  author = {Jeffrey Heer AND Fernanda Viégas AND Martin Wattenberg},
  booktitle = {ACM Human Factors in Computing Systems (CHI)},
  year = {2007},
  pages = {1029--1038},
  url = {http://vis.stanford.edu/papers/senseus}
}