000 00306nam a2200097Ia 4500
082 _aST 004 VARL
245 0 _aFundamental concepts of information technology
100 _a VARLEY, David Observatory [Cape Town], 2004 Rev. 3rd ed
_931609
942 _cBK
008 210817s9999 xx 000 0 und d
999 _c217792
_d217791