000 00335nam a2200157Ia 4500
100 _aFrith, Alex ; Dickins, Rosie
080 _aJ004.16
526 _dNTB
526 _aPG
366 _f#REF!
942 _cBK
245 _aLook inside how computers work
260 _aUsborne pub.ltd
_bEngland
_c2016
300 _a14
546 _aE
999 _c57309
_d57309