Technical note - Web Service Credentials. - Arjan de Mes; Erik Rongen (IBM Syst. J., 2003)

Automatic Composition and Selection of Semantic Web Services. - Tor Arne Kvaløy; Erik Rongen; Alfredo Tirado-Ramos; Peter M. A. Sloot (EGC, 2005)

Integrated Health Log: Share Multimedia Patient Data. - Rogier Brussee; Paul Porskamp; Leon van den Oord; Erik Rongen; Hans Bloo; Victorien Erren; Leendert Schaake (ICME, 2005)