@article{OSSK12a,
 author = {Oelke, Daniela and Spretke, David and Stoffel, Andreas and Keim, Daniel A.},
 journal = {IEEE Transactions on Visualization and Computer Graphics},
 month = {May},
 number = {5},
 pages = {662-674},
 title = {Visual Readability Analysis: How to Make Your Writings Easier to Read},
 volume = {18},
 year = {2012}
}