Servicedesign.org is a glossary of terms related to Service Design.
http://www.servicedesign.org/

Service Design Research, by Jeff Howard : this list represents a summary of the past thirty years of service design literature.
http://www.howardesign.com/exp/service/

Also by Jeff Howard : Design for Service, a blog of insight and observation about Service Design.
http://designforservice.wordpress.com/

A European Union project that provides usability and user centred design resources to practitioners, managers and EU projects.
http://www.usabilitynet.org/home.htm

An interview of David Griffith www.cercledesignmarque.com/article.php?id=100&PHPSESSID=755d23364210a4a49eaf821e2ce0eb0f

Brussels Export :
http://www.brussel-export.be/