Tommaso Pivetta, University of Trieste, Trieste, Italy, Carla F Braitenberg, Univ Trieste, Trieste, Italy, Franci Gabrovšek, Znanstvenoraziskovalni Center Slovenske Akademije Znanosti in Umetnosti, Postojna, Slovenia, Bruno Meurers, University of Vienna, Vienna, Austria and Gerald Gabriel, LIAG, Hannover, Germany