000 00437nam a2200169Ia 4500
001 16831
008 140404s9999 xx 000 0 und d
020 _a0-201-54441-5
040 _cPK-LaUMT
082 _a 004.019
_bBAR-U
100 _aLon Barfield
245 4 _aThe user interface:
_bConcepts & design.
_cLon Barfield
260 _aChandigarh,India:
_bAbhishek Publications,
_c1993
300 _a353 p.
546 _aEN
942 _cBK
999 _c17273
_d17273