An instrument for the measurement of the visual quality of displays. - Gerd P. J. Spenkelink; Ko Besuijen; Jacco Brok (Behav. Inf. Technol., 1993)

The 4GPLUS Project, Overview and Main Results. - Dirk-Jaap Plas; Mortaza S. Bargh; Jan Laarhuis; Jeroen van Vugt; Jacco Brok; Herma Van Kranenburg (ECUMN, 2004)

Enabling new services by exploiting presence and context information in IMS. - Jacco Brok; Bharat Kumar; Erik Meeuwissen; Harold J. Batteram (Bell Labs Tech. J., 2006)

Bridging context management systems for different types of pervasive computing environments. - Cristian Hesselman; Hartmut Benz; Pravin Pawar; Fei Liu 002; Maarten Wegdam; Martin Wibbels; Tom H. F. Broens; Jacco Brok (MOBILWARE, 2008)