00437nam a2200169Ia 4500 16831 140404s9999 xx 000 0 und d 0-201-54441-5 PK-LaUMT 004.019 BAR-U Lon Barfield The user interface: Concepts & design. Lon Barfield Chandigarh,India: Abhishek Publications, 1993 353 p. EN BK 17273 17273 0 0 0 0 01 01 2014-04-04 1 004.019 BAR-U 19585 2018-09-12 00:00:00 2018-08-30 2014-04-22 BK