ÌÇÐÄlogo

Department of Engineering
    Trumpington Street
    Cambridge CB2 1PZ
    United Kingdom

California Institute of Technology
Department of Electrical Engineering

Electrical and Computer Engineering
University of Illinois
Henry Magnuski Professor of Electrical and Computer Engineering
Professor Emeritus
109 Coordinated Science Lab MC 228
1308 W. Main St.
Urbana Illinois 61801, USA

Institute for Communications Engineering
Technical University of Munich
D-80290 Munich, Germany