@inproceedings{weissnordichi2008,
 author = {Weiss,, Roman and De Luca,, Alexander},
 title = {PassShapes - Utilizing Stroke Based Authentication to Increase Password Memorability},
 booktitle = {NordiCHI 2008: Proceedings of the 5th Nordic Conference on Human-Computer Interaction},
 year = {2008},
 isbn = {978-1-59593-704-9},
 pages = {383--392},
 location = {Lund, Sweden},
 publisher = {ACM},
 address = {New York, NY, USA},
 }