1. Ulrich, W.: Legacy Systems: Transformation Strategies. Prentice-Hall, Englewood Cliffs (2002)
2. Bennett, K.: Legacy Systems: Coping With Success. IEEE Software 12(1), 19–23 (1995)
3. Sneed, H., Majnar, R.: A Case Study in Software Wrapping. In: Int. Conf. in Software Maintenance, Bethesda, Maryland, November 16-20, pp. 86–93. IEEE Computer Society Press, Los Alamitos (1998)
4. Cimitile, A., De Lucia, A., Di Lucca, G.: An Experiment in Identifying Persistent Objects in Large Systems. In: International Conference on Software Maintenance, Bethesda, Maryland, November 16-20, pp. 122–130. IEEE Computer Society Press, Los Alamitos (1998)
5. De Lucia, A., Di Lucca, G., Fasolino, A., Guerra, P., Petruzzelli, S.: Migrating Legacy Systems Towards Object-Oriented Platforms. In: Int. Conf. in Software Maintenance, pp. 122–129 (1997)