000 00300nam a2200109Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9780520000000
082 _a428.004INF
245 0 _aINFOTECH english for computer users 4th edition
260 _bCambridge university press
_c2008
942 _cBK
999 _c465414
_d465414