J. Cardoso, M. Ferreira, und C. Santos. Proceedings of the Fifth International Conference on Informatics, RA-1, Seite 177-182. Funchal, Madeira, Portugal, (Mai 2008)
F. Samuelsson, und P. Nordin. 2001 Genetic and Evolutionary Computation Conference
Late Breaking Papers, Seite 366--371. San Francisco, California, USA, (9-11 July 2001)
F. Samuelsson. Department of Physics resource theory, Chalmers
University of Technology, Goteborg, Sweden, Masters of Science and Engineering, (2 July 2001)
M. Cerulli, A. Chioccariello, und E. Lemut. Proceedings of the Fourth Congress of the European Society for Research in Mathematics Education (CERME 4), Seite 591-600. Sant Feliu de Guíxols, Spain,, (2005)
M. Cerulli, E. Chioccariello, und E. Lemut. Proceedings of CERME 4, Fourth Congress of the European Society for Research in Mathematics Education 17 - 21 February 2005 in Sant Feliu de Guíxols, Spain YERME day: 16- 17 February., ERME, (Februar 2005)
M. Cerulli, E. Chioccariello, und E. Lemut. Proceedings of CERME 4, Fourth Congress of the European Society for Research in Mathematics Education 17 - 21 February 2005 in Sant Feliu de Guíxols, Spain YERME day: 16- 17 February., ERME, (Februar 2005)