TY - CONF TI - DVAL: an agent-based co-operation support system in an academic environment AU - Αβούρης, Νίκος Μ. AU - Georgalas, Nectarios PY - 2000 SP - 73-82 PB - World Scientific T2 - Advances in informatics. 7th Hellenic Conference on Informatics (HCI '99) ER -