Jonathan K. Kies User and Task Analysis for Interace Design, by JoAnn T. Hackos and Janice C. Redish. 1334 1998 49 JASIS 14 db/journals/jasis/jasis49.html#Kies98 http://dx.doi.org/10.1002/(SICI)1097-4571(1998)49:14<1334::AID-ASI14>3.0.CO;2-0