000 00289nam a22001217a 4500
999 _c249
_d249
003 OSt
005 20180615145417.0
008 180615b ||||| |||| 00| 0 eng d
040 _cN/A
245 _aLifting the Lid
_bHow Computers Work
_hDVD
260 _bCambridge Educational
942 _2ddc
_cDVD