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    • The application of the Copyright Act, 1978, to works made prior to 1979 

      Dean, O. H. (Stellenbosch : Stellenbosch University, 1988-12)
      Article 1 Section 8 Clause 8 of the Constitution of the United States of America empowers Congress "to promote the progress of science and useful arts, by securing for limited times to authors and inventors the exclusive ...