A Conceptual Framework for Evolving Information Systems. - Eckhard D. Falkenberg; J. L. Han Oei; Henderik Alex Proper (DMIS, 1991)

Evolving Information Systems: Beyond Temporal Information Systems. - Eckhard D. Falkenberg; J. L. Han Oei; Henderik Alex Proper (DEXA, 1992)

Situational method engineering for informational system project approaches. - Frank Harmsen; Sjaak Brinkkemper; J. L. Han Oei (Methods and Associated Tools for the Information Systems Life Cycle, 1994)

Harmonisation of information system modelling and specification techniques. - J. L. Han Oei; Eckhard D. Falkenberg (Methods and Associated Tools for the Information Systems Life Cycle, 1994)

Meta Model Hierarchies from an Object-Role Modelling Perspective. - Eckhard D. Falkenberg; J. L. Han Oei (ORM, 1994)

Evolving Information Systems: Meeting the Ever-changing Environment. - J. L. Han Oei; Henderik Alex Proper; Eckhard D. Falkenberg (Inf. Syst. J., 1994)

Configuration of Situational Process Models: an Information Systems Engineering Perspective. - Sjaak Brinkkemper; Frank Harmsen; J. L. Han Oei (EWSPT, 1995)

A meta model transformation approach towards harmonisation in information system modelling. - J. L. Han Oei (ISCO, 1995)

A Framework of Information System Concepts (The FRISCO Report). - Eckhard D. Falkenberg; Wolfgang Hesse; Paul Lindgreen; Björn E. Nilsson; J. L. Han Oei; Colette Rolland; Ronald K. Stamper; Frans Van Assche; Alexander A. Verrijn-Stuart; Klaus Voss (IFIP, 1998)