000 00368 a2200133 4500
005 20230607142314.0
050 _aQA76.9
_bU83Bar.
100 _aBarfield, Lon.
245 _a(The) user interface : concepts and design /
_cLon Barfield.
501 _a9344
650 _aUser interfaces (Computer systems).
260 _bAddison-Wesley
_c1993.
942 _cBK
_oQA76.9 U83Bar.
999 _c5111
_d5111