The Extract-Transform-Rewrite Cycle. A Step towards MetaCARE. - Jürgen Ebert; Bernt Kullbach; Andreas Panse (CSMR, 1998)

Program Comprehension in Multi-Language Systems. - Bernt Kullbach; Andreas Winter 001; Peter Dahm; Jürgen Ebert (WCRE, 1998)

Querying as an Enabling Technology in Software Reengineering. - Bernt Kullbach; Andreas Winter 001 (CSMR, 1999)

GraX - An Interchange Format for Reengineering Tools. - Jürgen Ebert; Bernt Kullbach; Andreas Winter 001 (WCRE, 1999)

Bericht über den 2. Workshop Software-Reengineering (WSR 2000) am 11. und 12. Mai 2000 in Bad Honnef. - Bernt Kullbach (Softwaretechnik-Trends, 2000)

An Overview of the GXL Graph Exchange Language. - Andreas Winter 001; Bernt Kullbach; Volker Riediger (Software Visualization, 2001)

Folding: An Approach to Enable Program Understanding of Preprocessed Languages. - Bernt Kullbach; Volker Riediger (WCRE, 2001)

GUPRO - Generic Understanding of Programs. - Jürgen Ebert; Bernt Kullbach; Volker Riediger; Andreas Winter 001 (GraBaTs, 2002)