OMNIS/2: A Multimedia Meta System for Existing Digital Libraries. - Günther Specht; Michael G. Bauer (ECDL, 2000)

The Object Oriented Document Model of a Meta System for Existing Digital Libraries. - Michael G. Bauer; Günther Specht (DEXA Workshop, 2001)

Enhancing Digital Library Documents by A Posteriori Cross Linking Using XSLT. - Michael G. Bauer; Günther Specht (ECDL, 2001)

Multidimensional Mapping and Indexing of XML. - Michael G. Bauer; Frank Ramsak; Rudolf Bayer (BTW, 2003)

Multidimensional indexing and querying of XML in digital libraries and relational database systems. - Michael G. Bauer (2004)