000 00355pam a2200145a 44500
008 160408b1980 xxu||||| |||| 00| 0 eng d
020 _a0116308184
082 _a621.3822
_bIN3
100 _a
245 1 _aINFORMATION TECHNOLOGY
260 _a
_bHer Majestys Stationery Office, London
_c1980
300 _a55
964 _gCIRC
997 _aA72525 s C
999 _c305808
_d305808