Mark Keith, Benjamin Shao, Paul John Steinbart. The usability of passphrases for authentication: An empirical field study. International Journal of Man-Machine Studies, 65(1):17-28, 2007. [doi]
@article{KeithSS07,
title = {The usability of passphrases for authentication: An empirical field study},
author = {Mark Keith and Benjamin Shao and Paul John Steinbart},
year = {2007},
doi = {10.1016/j.ijhcs.2006.08.005},
url = {http://dx.doi.org/10.1016/j.ijhcs.2006.08.005},
tags = {empirical},
researchr = {https://researchr.org/publication/KeithSS07},
cites = {0},
citedby = {0},
journal = {International Journal of Man-Machine Studies},
volume = {65},
number = {1},
pages = {17-28},
}