.International Zurich Seminar on Digital Communications (1974 : Switzerland)：source encoding, channel encoding and modulation, digital communication loops：Zurich/Switzerland, Swiss Federal Institute of Technology; proceedings.,1974.
International Zurich Seminar on Digital Communications (1974 : Switzerland)：source encoding, channel encoding and modulation, digital communication loops：Zurich/Switzerland, Swiss Federal Institute of Technology; proceedings
Ed. by G. Bognar.Colloquium on Microwave Communication (5th : 1974 : Budapest)．V.5，ME-System measurements; Sm-Semiconductorand magnetic materials for microwave applications and plasmaphenomena.Akademiai Kiado,1974.
Colloquium on Microwave Communication (5th : 1974 : Budapest)．V.5，ME-System measurements; Sm-Semiconductorand magnetic materials for microwave applications and plasmaphenomena
Ed. by G. Bognar.Colloquium on Microwave Communication (5th : 1974 : Budapest)．V.1，MS-Microwave communication systems; ST-Communication system theory.Akademiai Kiado,1974.
Ed. by G. Bognar.Colloquium on Microwave Communication (5th : 1974 : Budapest)．V.3，Et-Electromagnetic theory, antennas and propagation.Akademiai Kiado,1974.
