@inproceedings{MZMWS-1, title = "Wireless Client Puzzles in IEEE 802.11 Networks: Security by Wireless", author = "Ivan Martinovic and Frank A. Zdarsky and Matthias Wilhelm and Christian Wegmann and Jens B. Schmitt", year = "2008", booktitle = "Proceedings of the ACM Conference on Wireless Network Security (WiSec '08)", location = "Alexandria, VA, USA", month = "mar", pages = "36--45", publisher = "ACM Press", }