000 00273nam a2200121Ia 4500
001 694
008 161209s9999 xx 000 0 und d
020 _a9788476156773
100 1 _aGerard Lewis
245 1 0 _aenglish through computers 2
260 _bMc Graw Hill
942 _cCA
999 _c7802
_d7802