The Contrained Delaunay Pyramid - A Model for Reconstructing Surfaces at Multiple Resolutions. - Andreas Voigtmann; Ludger Becker; Klaus H. Hinrichs (CCCG, 1994)

Temporal Support for Geo-Data in Object-Oriented Databases. - Ludger Becker; Andreas Voigtmann; Klaus H. Hinrichs (DEXA, 1996)

An object-oriented database Kernel for spatio-temporal geo-applications. - Andreas Voigtmann (1997)

Constraints and Triggers in an Object-Oriented Geo Database Kernel. - Hendrik Ditt; Ludger Becker; Andreas Voigtmann; Klaus H. Hinrichs (DEXA Workshop, 1997)

Physical Design Aspects of an Object-Oriented Geo-Database Kernel. - Andreas Voigtmann; Ludger Becker; Klaus H. Hinrichs (DEXA Workshop, 1997)

A Hierarchical Model for Multiresolution Surface Reconstruction. - Andreas Voigtmann; Ludger Becker; Klaus H. Hinrichs (CVGIP Graph. Model. Image Process., 1997)

Temporal Indexing with Multidimensional File Structures. - Ludger Becker; Andreas Voigtmann; Klaus H. Hinrichs (DEXA, 1999)

Constraints and Triggers: A Method for Ensuring Data Quality in an Object-Oriented Geo Database Kernel. - Ludger Becker; Hendrik Ditt; Klaus H. Hinrichs; Andreas Voigtmann (ACM-GIS, 1999)