Radio Broadcast: 1988 Swiss radio and television, with kind permission. First broadcast on 15. February 1988, «Regional News, Central Switzerland»
Regionaljournal Zentralschweiz: Gespräch mit unterschiedlichen Exponenten
1988, Radio Broadcast: 1988 Swiss radio and television, with kind permission. First broadcast on 15. February 1988, «Regional News, Central Switzerland»
Regionaljournal Zentralschweiz: Discussion with representatives of various groups, 1988 (Radio Broadcast: 1988 Swiss radio and television, with kind permission. First broadcast on 15. February 1988, «Regional News, Central Switzerland»)