A Revival for Legacy Systems - Successful Reengineering of Software Systems. - Matthias Ladkau (Informatiktage, 2008)

Conditioned semantic slicing for abstraction; industrial experiment. - Martin P. Ward; Hussein Zedan; Matthias Ladkau; Stefan Natelberg (Softw. Pract. Exp., 2008)

A wide spectrum type system for transformation theory. - Matthias Ladkau (2009)