(Munich)International Symposium on Subscriber Loops and Services International Symposium on Subscriber Loops and Services International Symposium on Subscriber Loops & Services (Toronto,Canada)International Symposium on Subscriber Loops ��� Services 1982 international symposium on circuits and syste 1983 international symposium on circuits and syste International Symposium on Subscriber Loops ��� Services: Proceedings International symposium on circuits and systems (Virginia)International Symposium on Molecular Electronic Devices 16th international symposium on Multiple-Valued Logic