Loesing, KarstenKarstenLoesingWirtz, GuidoGuidoWirtz0000-0002-0438-84822019-09-192014-09-242008https://fis.uni-bamberg.de/handle/uniba/17808engVirtual private servicesconferenceobjecthttp://petsymposium.org/2008/hotpets/vrtprsvc.pdf