@conference {27646,
	title = {Smart Card Based PKI for CoC Services},
	year = {2003},
	month = {2003},
	author = {Polemi, N. and Rijmen, V. and Boutsi, P. and S{\"u}t{\c c}{\"u}ler, E. and Sewalt, H. and Gr{\"o}scheck, J.A. and Loupis, M and Kaliontzouglou, A and Palos, L. and Stoev, G.}
}
