Συνέδρια

• A. Constantinides, I. Haritantis: "Realisation of LT (Linear Transformation) Active Filters that simulate LC Filters", IEE Colloquium on Electronic Filters, May 1977, Digest No. 1977/37, London.
• T. Deliyannis ‘’A review of recent progress in active RC Filter Synthesis". Proc. of fifth Summer Symposium on Circuit Theory 1977, SSCT 77, Kladno-Sitna, Czechoslovakia, Sept 5-9, 1977, pp.47-58 (Main Lectures, Invited).