[1] Innovative Graphical Passwords using Sequencing and Shuffling Together Rashmi Wable1, Dr.Suhas Raut2 N.K. Orchid College of Engineering and Technology, Solapur

[2] A.Adams and M.A.Sasse, "Users are not the enemy: why users compromise computer security mechanisms and how to take remedial measures," Communications of the ACM, vol.42, pp. 41-46 1999

[3] S. Akula and V. Devisetty, "Image Based Registration and Authentication System," in Proceedings of Midwes Instruction and Computing Symposium, 2004.

[4] R. Dhamija and A. Perrig, "Deja Vu: A User Study Using Images for Authentication," in Proceedings of 9th USENIX Security Symposium, 2000.

[5] Jansen, W., Gavrila, S., Korolev, V., Ayers, R., Swanstrom, R., “Picture Password: A Visual Login Technique for Mobile Devices”

[6] Suresh Pagidala, C. Shoba Bindu Improved Persuasive Cued Click Points for Knowledge-Based Authentication

[7] Manu Kumar, Tal Garfinkel, Dan Boneh and Terry Winograd, “Reducing Shoulder-surfing by using Gaze based Password Entry”, Symposium on Usable Privacy and Security (SOUPS), July 18-20, 2007, Pittsburgh, PA, USA.

[8] Alain Forget Sonia Chiasson Robert Biddle P.C. van Oorschot “Influencing Users towards Better Passwords Persuasive Cued Click-Points”

[9] Real User Corporation http://www.realuser.com