D. Rosenberg, S. Foley, M. Lievonen, S. Kammas, and M. Crisp. AI & Society, (2005)p. 23: to meet the requirements of today's mobile workers, workspace
design must concentrate on hybrid (physical and mediated) work environments.
p. 29: Abbildung zu interaction zones: Dimensionen "interaction and
reciprocity" vs. "visibility and mutuality".