Paul G. Clifton. Spatial relationships: a framework for understanding the relationships between real and virtual spaces. In Mark D. Gross, Nuno Jardim Nunes, Ellen Yi-Luen Do, Stephen A. Brewster, Ian Oakley, editors, Proceedings of the 5th International Conference on Tangible and Embedded Interaction 2011, Funchal, Madeira, Portugal, January 22-26, 2011. pages 433-434, ACM, 2011. [doi]
Abstract is missing.