1. Abel, P.: Description of the USU-PFR analysis method. Technical report, USU GmbH, Möglingen (1995)
2. Abitebuol, S., Cluet, S., Milo, T.: A database interface for file updates. In: Carey, M.J., Schneider, D.A. (eds.) Proc. of the 1995 ACM SIGMOD Intl. Conf. on Management of Data, May 1995, pp. 386–397 (1995)
3. August, J.H.: Joint Application Design: The Group Session Approach to System Design. Yourdon Press, Englewood Cliffs (1991)
4. Balzer, R.: Tolerating inconsistency. In: Proc. of the 13th Intl. Conf. on Software Engineering (ICSE-13), Austin, Texas, pp. 158–165 (1991)
5. Bauer, L.: Inconsistency management in multi-user modeling environments. Master’s thesis, RWTH Aachen (1996) (in German)