Αποστολή με SMS: Computer Software Rental Amendments Act of 1989 : hearing before the Subcommittee on Patents, Copyrights and Trademarks of the Committee on the Judiciary, United States Senate, One Hundred First Congress, first session, on S. 198, a bill to amend Title 17, United States Code, the Copyright Act to protect certain computer programs ... April 19, 1989.