@book{ Solr-176320, title = {Visuelle Kryptographie [E-Book]}, series = {Springer-Lehrbuch.}, author = {Klein, Andreas.}, editor = {Klein, Andreas.}, address = {Berlin}, publisher = {Springer}, year = {2007}, url = {http://dx.doi.org/10.1007/978-3-540-72362-2} }