00000nam 2200000zi 4500 9.883903 CaOODSP 20221107170719 m o d f cr cn||||||||| 200124s1982 onca ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- Co24-273/1982E-PDF A study of network harm / prepared on behalf of the Department of Communications by Harry Dulmage Associates Limited. [Ottawa] : [Department of Communications], 1982. 1 online resource (1 volume (various pagings)) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier "March 1982." Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. Some pages rotated in this copy. Includes bibliographical references. Issued also in print format. Telephone Canada Standards. Telephone Equipment and supplies Safety measures. Consumer protection Canada. Téléphone Canada Normes. Téléphone Appareils et matériel Sécurité Mesures. Consommateurs Protection Canada. Canada. Department of Communications. Harry Dulmage Associates Ltd. PDF 8.30 MB https://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-273-1982-eng.pdf