Brijesh Kumar Chaurasia Shekhar Verma G. S. Tomar Ajith Abraham Optimizing Pseudonym Updation in Vehicular Ad-Hoc Networks. 136-148 2009 4 Transactions on Computational Science http://dx.doi.org/10.1007/978-3-642-01004-0_8 journals/tcos/2009-4 db/journals/tcos/tcos4.html#ChaurasiaVTA09