Demeter Tools/C++ (abstract). - Karl J. Lieberherr; Ian M. Holland; Walter L. Hürsch; Ignacio Silva-Lepe; Cun Xiao (OOPSLA Addendum, 1992)

Maintaining Behavioral Consistency during Schema Evolution. - Paul L. Bergstein; Walter L. Hürsch (ISOTAS, 1993)

Object-Oriented Schema Extension and Abstraction. - Walter L. Hürsch; Karl J. Lieberherr; Sougata Mukherjea (SAC, 1993)

Should Superclasses be Abstract? - Walter L. Hürsch (ECOOP, 1994)

Polymorphic Reuse Mechanisms for Object-Oriented Database Specifications. - Ling Liu 001; Roberto V. Zicari; Walter L. Hürsch; Karl J. Lieberherr (ICDE, 1994)

Object-Extending Class Transformations. - Karl J. Lieberherr; Walter L. Hürsch; Cun Xiao (Formal Aspects Comput., 1994)

Automating the Evolution of Object-Oriented Systems. - Walter L. Hürsch; Linda M. Seiter (ISOTAS, 1996)

The Role of Polymorphic Reuse Mechanisms in Schema Evolution in an Object-Oriented Database. - Ling Liu 001; Roberto V. Zicari; Walter L. Hürsch; Karl J. Lieberherr (IEEE Trans. Knowl. Data Eng., 1997)