(London)European conference on cellular radio and mobile communications European conference on cellular radio and mobile communications (1975)European Conference on Optical Fibre Communication (Cannes)European Conference on Optical Communication 1st European Conference on Optical Fibre Communication European Conference on Optical Fibre Communication European Conference on Optical Communication (London)International Conference on Microprocessors in Automation ��� Communications International Conference on Digital Satellite Communications (Utrecht)European Conference on Optical Systems and Applications