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Groundwave and skywave limitations to Canadian class 1 assignments, AM - standard band / Canadian Radio-Television Commission (CRTC). Planning and Development Branch. Systems Development and Technical Evaluation Division; D.E.M. Allen & Associates. [Ottawa] : The Commission, 1975

The optimization of additional assignments on the Canadian Class 1a and 1b frequencies / Canadian Radio-Television Commission (CRTC). Planning and Development Branch. Systems Development and Technical Evaluation Division; Conseil de la radio-télévision canadienne (CRTC); D.E.M. Allen & Associates. [Ottawa] : The Commission, 1975

Canadian radio-television and telecommunications decisions and policy statements = Décisions et énoncés de politique sur la radiodiffusion et les télécommunications canadienne / Canadian Radio-television and Telecommunications Commission (CRTC); Conseil de la radiodiffusion et des télécommunications canadiennes (CRTC). Ottawa : Canadian Radio-Television and Telecommunications Commission = Conseil de la radiodiffusion et des télécommunications canadiennes.