@article{WFOK11,
 author = {Wanner, Franz and Fuchs, Johannes and Oelke, Daniela and Keim, Daniel A.},
 journal = {POLIBITS - Research journal on Computer science and computer engineering with applications},
 month = {Jan},
 number = {Issue 43},
 pages = {93-100},
 title = {Are my Children Old Enough to Read these Books? Age Suitability Analysis},
 year = {2011}
}