00000nas 2200000zi 4500 9.877298 CaOODSP 20221107164934 m o d f cr ||||||||||| 190731d19731979oncar p o f0###a0eng|d CaOODSP eng rda CaOODSP n-cn--- Co1-3E-PDF Research and development / Communications Canada. [Ottawa] : Department of Communications, [1973-1979] Annual text txt rdacontent computer c rdamedia online resource cr rdacarrier Began with 1972/1973; ceased with 1978/1979? Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. Issued also in French under title: Recherche et développement. Description based on: 1972/1973. Latest issue consulted: 1978/1979. gccst Telecommunications gccst Research and development Canada. Department of Communications. Recherche et développement / (CaOODSP)9.877297