@incollection{NaguschewskiTrabant2007, author = {Dirk Naguschewski and J{\"u}rgen Trabant}, title = {Vorwort}, url = {http://edoc.bbaw.de/oa/series/rejlvDEACCvo/PDF/22aeSb4PE43Mw_441.pdf}, year = {2007}, }