Misha (univ Of Minnesota, Usa) Shifman, Ales (academy Of Sciences Of The Czech Republic, Czech Republic) Gottvald (1) Nagy, John (1) Scott Wardrop, Marjory (1) Bronkhorst, Arjan, Zijl, Ida Van, Zwikstra, Willemijn, Eerenbeemt, Marc Van Den (1) Troost, J. Maarten (1)