@conference {DBLP:conf/icnp/KollLSF13,
	title = {On the effectiveness of sybil defenses based on online social networks},
	booktitle = {2013 21st {IEEE} International Conference on Network Protocols, {ICNP} 2013, G{\"o}ttingen, Germany, October 7-10, 2013},
	year = {2013},
	pages = {1{\textendash}2},
	publisher = {{IEEE}},
	organization = {{IEEE}},
	doi = {10.1109/ICNP.2013.6733630},
	url = {https://doi.org/10.1109/ICNP.2013.6733630},
	author = {David Koll and Jun Li and Joshua Stein and Xiaoming Fu}
}
