@inproceedings{alexander2009b,
  author	= {Jason Alexander and Andy Cockburn and Stephen Fitchett and Carl Gutwin and Saul Greenberg},
  title		= {Revisiting Read Wear: Analysis, Design, and Evaluation of a Footprints Scrollbar},
  booktitle	= {Proceedings of the Conference on Human Factors in Computing Systems},
  year		= {2009},
  series	= {CHI '09},
  pages		= {1665--1674},
  address	= {New York, NY, USA},
  publisher	= {ACM},
}