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1Published 1986Subjects “...Telecommunication Security measures Congresses....”
Conference Proceeding Book -
2
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3Published 1987Subjects “...Telecommunication systems Great Britain Congresses....”
Conference Proceeding Book -
4International Conference on the ISDN and Its Impact on Information Technology : 14-16 January 1985 /Published 1985Subjects “...Telecommunication systems Congresses....”
Book