000			00313 a2200133 4500
005			20230607143134.0
050			_aQA76 _bHea.
100			_aHeathcote, P. M.
245			_aA Level computing / _cP. M. Heathcote.
501			_a11906
650			_aComputers.
260			_bPayne-Gallway _c2000.
942			_cBK _oQA76 Hea.
999			_c7191 _d7191