TY - THES T1 - Long-term stability, catalytic upgrading, and applicaton of pyrolysis oils : improving the properties of a potential substitute for fossil fuels A1 - Scholze,Britta Y1 - 2002/01/01 N2 - CY - Hamburg PB - Staats- und Universitätsbibliothek Hamburg AD - Von-Melle-Park 3, 20146 Hamburg UR - http://ediss.sub.uni-hamburg.de/volltexte/2002/892 ER -