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Hornecker, E. and Jacob, R. J. K. and Hummels, C. and Ullmer, B. and Schmidt, A. and Hoven, E. van den and Mazalek, A. (2008) TEI goes on: tangible and embedded interaction. IEEE Pervasive Computing, 7 (2). pp. 91-95.
Cahill, V. and Gray, E. and Seigneur, J.M. and Jensen, C. and Chen, Y. and Shand, B. and Dimmock, N. and Twigg, A. and Bacon, J. and English, C. and Wagealla, W. and Terzis, S. and Nixon, P. and Serugendo, G. and Bryce, C. and Carbone, M. and Krukow, K. and Nielsen, M. (2003) Using trust for secure collaboration in uncertain environments. IEEE Pervasive Computing, 2 (3). pp. 52-61. ISSN 1536-1268