Lars Kirkegaard Bækdal, Bent Bruun Kristensen. Perspectives and Complex Aggregates. In Dilip Patel, Islam Choudhury, Shushma Patel, Sergio de Cesare, editors, OOIS 2000, 6th International Conference on Object Oriented Information Systems, 18-20 December 2000, London, UK. Proceedings. pages 65-84, Springer, 2000.
Abstract is missing.