C. Concordia, S. Gradmann, und S. Siebinga. (Juni 2009)Paper for the Meeting: 193. Information Technology
at the "World Library and Information Congress: 75th IFLA General Conference and Council 23-27 August 2009, Milan, Italy
http://www.ifla.org/annual-conference/ifla75/index.htm
Date submitted: 03/06/2009.