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2. TINA-C Deliverable, “Definition of Service Architecture”, Version 5.0, June 1997
3. ACTS project MONTAGE (AC325), CEC deliverable D21, “Context setting for agent-based accounting and charging and personal mobility support”, June 1998
4. A. Lazar, “Programming telecommunication networks”, IEEE Network, Vol. 11, No. 5, Sept./Oct. 1997
5. ACTS Project MONTAGE (AC325), CEC Deliverable D23, “Algorithms, design and implementation of agent-based accounting and charging for the initial trial”, Dec. 1998