Ralph Kühne, Gerald Gormer, Morten Schläger, Georg Carle. Charging in the IP Multimedia Subsystem: A Tutorial. IEEE Communications Magazine, 45(7):92-99, 2007. [doi]
@article{KuhneGSC07,
title = {Charging in the IP Multimedia Subsystem: A Tutorial},
author = {Ralph Kühne and Gerald Gormer and Morten Schläger and Georg Carle},
year = {2007},
doi = {10.1109/MCOM.2007.382666},
url = {https://doi.org/10.1109/MCOM.2007.382666},
researchr = {https://researchr.org/publication/KuhneGSC07},
cites = {0},
citedby = {0},
journal = {IEEE Communications Magazine},
volume = {45},
number = {7},
pages = {92-99},
}