S. Tönnies, B. Köhncke, O. Koepler, and W. Balke. Datenbanksysteme in Business, Technologie und Web (BTW 2009), 13. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS), GI, (2009)
S. Tönnies, B. Köhncke, and W. Balke. Proceedings of the 12th ACM/IEEE-CS joint conference on Digital Libraries, page 395--396. New York, NY, USA, ACM, (2012)
S. Tönnies, B. Köhncke, and W. Balke. Proceedings of the 12th ACM/IEEE-CS joint conference on Digital Libraries, page 395--396. New York, NY, USA, ACM, (2012)
S. Tönnies, B. Köhncke, and W. Balke. Proceedings of the 12th ACM/IEEE-CS joint conference on Digital Libraries, page 395--396. New York, NY, USA, ACM, (2012)
S. Tönnies, and W. Balke. Proceedings of the 2009 2nd ACM Workshop on Research Advances in Large Digital Book Repositories, BooksOnline 2009, Corfu, Greece, October 2, 2009, (2009)
S. Tönnies, B. Köhncke, O. Koepler, and W. Balke. Datenbanksysteme in Business, Technologie und Web (BTW 2009), 13. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS), GI, (2009)