por Heidepriem, J [editor] | IFAC Symposium on Automation in Mining, Mineral, and Metal Processing (9 : 1998 : Colonia, Alemania).
por Jamsa-Jounela, Sirkka-Liisa [editor] | Vapaavuori, E [editor] | IFAC Workshop on Future Trends in Automation in Mining and Metal Processing (2000 : Finlandia).