sponsored by Institute of Radio Engineers. sponsored by the Institution of Mechanical Engineers. sponsored by the Institution of Electrical Engineers. sponsored by the American Institute of Electrical Engineers. sponsored by the Institute of Electrical and Electronic Engineers. sponsored by the Institute of Electrical and Electronics Engineers. sponsored by the Institute Elestrical and Electronic Engineers. sponsored by Institute of Electrical and Electronics Engineers. sponsored by American Institute of Electrical Engineers ... [et al.]. sponsored by the Institute of Electrical and Electronic Engineers ... [et al.].