000 00315nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a681.31
_bDAV
100 _aDavis, Gordon B
245 0 _aIntroduction to computers
250 _a3
260 _aLondon
_bMcGraw Hill
_c1971
650 _aComputers
942 _cBK
999 _c39235
_d39235