000 00298nam a2200121Ia 4500
100 _aMarshall, Garry
020 _a0 408 01493 8
942 _cBK
245 _aBeginner's guide to information technology
260 _aNewnes technical books, London
_c1984
082 _a001.6 Mar
300 _avii,132
999 _c61602
_d61602