00397nam a22001097a 4500008004100000040005500041080002500096245006400121260006500185650001500250653002200265230717b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 681.3.06Cobal bL6  aCobal version 5 user's guide: bCDC operating systems NOS 1  aUnited states of America: bControl Data Corporation, c1977  aComputer    aData Corporation