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