1. Chen, Peter P.-S.: The entity-relationship model toward a unified view of data, in: TODS 1(1976), no. 1, pp. 9–36.
2. Davenport, T. H., Process Innovation — Reengineering Work through Information Technology, Boston, 1993.
3. Gaitanides, M., Prozeßorganisation: Entwicklung, Ansätze und Programme prozeßorientierter Organisationsgestaltung, München, 1983.
4. Hammer, M.; Champy, J.: Business Reengineering — Die Radikalkur fur das Unternehmen, Frankfurt et al., 1993.
5. Harrington, H. J., Business Process Improvement: The Breakthrough Strategy for Total Quality, Productivity and Competitiveness, New York, 1991.