@article{nicol-scs09,
 author = {Nicol, David M. and Schear, Nabil},
 title = {Models of Privacy Preserving Traffic Tunneling},
 journal = {Simulation},
 volume = {85},
 number = {9},
 year = {2009},
 issn = {0037-5497},
 pages = {589--607},
 doi = {http://dx.doi.org/10.1177/0037549709341292},
 publisher = {Society for Computer Simulation International},
 address = {San Diego, CA, USA},
 }