1. Are You a ‘Vigilant Leader’?;Day;MIT Sloan Manage. Rev.,2008
2. The Invisible Gorilla: And Other Ways Our Intuitions Deceive Us;Chabris,2011
3. Peripheral Vision: Detecting the Weak Signals That Will Make or Break Your Company;Day,2006
4. Managing strategic surprise by response to weak signals;Igor Ansoff;Calif. Manag. Rev.,1975
5. Strategic issue management;Igor Ansoff;Strateg. Manag. J.,1980