@article { WFOK11, title = {Are my Children Old Enough to Read these Books? Age Suitability Analysis}, journal = {POLIBITS - Research journal on Computer science and computer engineering with applications}, month = {Jan}, number = {Issue 43}, pages = {93-100}, url = {http://www.cidetec.ipn.mx/polibits/2011\_43/43\_13.pdf}, year = {2011}, author = {Wanner, Franz and Fuchs, Johannes and Oelke, Daniela and Keim, Daniel A.} }