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→Bibliography
http://www.exceluser.com/explore/surveys/ribbon/ribbon-survey-results.htm
[http://www.wseas.us/e-library/conferences/2010/Faro/DNCOCO/DNCOCO-25.pdf User Acceptance of the Microsoft Ribbon User Interface]
[http://www.exceluser.com/explore/surveys/ribbon/ribbon-survey-results.htm Survey Results: Excel 2007's Ribbon Hurts Productivity, Survey Shows]
[http://www.useit.com/alertbox/mega-dropdown-menus.html Mega drop-down navigation menus work well]
[http://www.useit.com/alertbox/mega-menus-wrong.html Mega menus gone wrong]
[http://en.wikipedia.org/wiki/Steering_law Steering Law]
[http://www.google.ca/url?sa=t&rct=j&q=steering%20law%20sub%20menu&source=web&cd=2&ved=0CCMQFjAB&url=http%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fdownload%3Fdoi%3D10.1.1.118.7601%26rep%3Drep1%26type%3Dpdf&ei=0iq7To-uFaXZ0QHx5eDeCQ&usg=AFQjCNHrOOm9nR54M4rbGAuFJ8fq1CteiA&cad=rja Modeling and improving selection in cascading pull-down menus using Fitts' law, the steering law and force fields]
Photoshop UI:
