Virtual Private Resources. - Thomas Preuß; Jens-Hagen Syrbe; Hartmut König (EDOC, 1997)

An enterprise-level analysis of customer-provider relationships and implications for QoS enforcement. - Jens-Hagen Syrbe; Thomas Preuß (EDOC, 1998)

Permanent Customer-Provider Relationships for Electric Service Markets. - Thomas Preuß; Jens-Hagen Syrbe; Hartmut König (Kommunikation in Verteilten Systemen, 1999)