C. Sackur, T. Assude, and M. Maurel. European Research in Mathematics Education I.I + I.II Proceedings of the First Conference of the European Society for Research in Mathematics Education, 1 & 2, Osnabrueck, Forschungsinstitut fuer Mathematikdidaktik, (1999)
E. Forster. Harcourt, San Diego, (1927)"The king died and then the queen died" is a story. "The king died, and then the queen died of grief" is a plot, page 84.
J. Matos, Y. Mor, R. Noss, and M. Santos. Fourth Congress of the European Society for Research in Mathematics Education (CERME-4), Sant Feliu de Guíxols, Spain, (2005)