(Tornoto)International Electrical Elecrtonics Conference and Esposition (Toronto)International Electrical Electronics Conference and Exposition International Electrical Elecrtonics Conference and Esposition (1981)International Electrical Electronics Conference and Exposition International Electrical Electronics Conference and Exposition International Electrical Electtronics Conference and Exposition (1980)Cleveland Electrical/Electronics Conference and Exposition Cleveland Electrical/Electronics Conference and Exposition 1970 6th International quantum electronics conference