Drees, A. ; Kummert, Franz ; Littmann, Enno ; Posch, Stefan ; Ritter, Helge ; Sagerer, Gerhard ; Gelsema, Edzard S. (Ed.) ; Kanal, Laveen S. (Ed.)
In: Multiple paradigms, comparative studies and hybrid systems: proceedings of an international workshop held on Vlieland, The Netherlands, 1 - 3 June 1994, Vol. 4, page 551-562