TY - CONF
TI - Usage-based charging for internet usage: a case study
AU - Αποστολόπουλος, Θεόδωρος
AU - Cohen, Sandra
AU - Courcoubetis, Costas
AU - Psiakki, Xanthi
PY - 2000
SP - 52-72
PB - World Scientific
T2 - Advances in informatics. 7th Hellenic Conference on Informatics (HCI '99)
ER -