Søgning på underkategorier- og emner:
Originally presented as the author's thesis (doctoral)--Universiteat des Saarlandes, 2004.
Originally presented as the author's thesis (doctoral)--Universiteat Hamburg, 2008.
Originally presented as the author's thesis (doctoral)--Ludwig-Maximilians-Universiteat Meunchen, 2005.
Originally presented as the author's thesis (doctoral)--Philipps-Universiteat Marburg, 2007.