scientific article published on 27 September 2008
author: Johannes Kornhuber, Martin Herrmann, Jens Wiltfang, Juan Manuel Maler, Piotr Lewczuk, Hermann Esselmann, Hans-Wolfgang Klafki, Philipp Spitzer
Copyright status information is not available for this work. The copyright status depends on the jurisdiction, the author's date of death and the date the work was created or published.
To learn more about copyright terms in different countries, visit the countries and terms page.