00278nam a2200097Ia 4500008004100000020001800041100002200059245006400081260001200145365002300157221124s9999||||xx |||||||||||||| ||und||  a9780137219292  aDeborah J. Mayhew 0aPrinciples and guidelines in software user interface design  bPearson  j287/22-23f5164.93