Towards Usable Solutions to Graphical Password Hotspot Problem. - Kemal Bicakci; Nart Bedin Atalay; Mustafa Yuceel; Hakan Gurbaslar; Burak Erdeniz (COMPSAC (2), 2009)

Graphical passwords as browser extension: implementation and usability study. - Kemal Bicakci; Mustafa Yuceel; Burak Erdeniz; Hakan Gurbaslar; Nart Bedin Atalay (SOUPS, 2009)

Exploration and Field Study of a Password Manager Using Icon-Based Passwords. - Kemal Bicakci; Nart Bedin Atalay; Mustafa Yuceel; Paul C. van Oorschot (Financial Cryptography Workshops, 2011)