000			00364 a2200145 4500
020			_a0749261196
082			_a004 _bLIV
090			_c5789 _d7839
245			_aLiving with technology _bblock 1 _b computing
260			_aWalton _bOpen university press _c1991 _g1991
300			_a146p. _c23cm.
650			_aCOMPUTER SCIENCE
650			_aDATA PROCESSING
942			_cL
999			_c34631 _d34631