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International Journal of Materials Research 2010/01, Page 106-111, 2010. http://www.ijmr.de/web/o_archiv.asp?o_id=25112811648-50&ausgabe_id=2112992251-162&artikel_id=2112992253-9893&task=03&suchterm=&j=2010&h=01&nav_id=0