00509nam a22001337a 4500008004100000040005500041080001700096100001900113245011400132260007900246650002100325653001500346653001400361230320b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 681.3 bL71 aSaltman, Roy G  aComputer science & technology: bCopyright in computer-readable works: policy impacts of technological change  aWashington D. C.:bNational Bureau of Standards Special Publication,c1977  aComputer science  aProtection  aCopyright