https://catalogue-scientifique.canada.ca/record=1786741~S6*frc
Rechercher Cairns, F. V; Rechercher Craven, J. H; Rechercher Haney, W. L; Rechercher Staniforth, Andrew Nigel; Rechercher Steele, K. A
National Research Council of Canada, Radio and Electrical Engineering Division, 1961
Publication gouvernementale