@techreport{445771a9df, author = {Racz, Peter and Schaffrath, Gregor and Stiller, Burkhard and Walter, Thomas}, howpublished = {DoCoMo Euro-Labs Publication, ITR Ref. No.: I-ST-17}, month = {jul}, title = {Diameter-based Accounting Management for Multiple Mobile Network Operators and its Implementation (DAMMO II): Implementation Requirements}, year = {2006} }