- IEEE Pervasive Computing 10(4):73-83 (2011)
- Biomaterials 24(26):4881 -- 4890 (November 2003)
- IJICTRDA 2(1):29-46 (2011)
- Spatial Cognition, volume 2685 of Lecture Notes in Computer Science, page 287-304. Springer, (2003)
- COSIT, volume 2205 of Lecture Notes in Computer Science, page 400-414. Springer, (2001)
- Personal and Ubiquitous Computing 5(1):54-57 (2001)
- Inf. Sci. 179(3):319-328 (2009)
- Mathematical and Computer Modelling 45(9-10):1133-1144 (2007)
- Kluwer, (1990)
- CSCW, page 489-496. ACM, (2011)
- NordiCHI, page 755-758. ACM, (2010)
- JAISE 2(3):287-310 (2010)
- (1994)
- Nature 459(7249):978--982 (Jun 18, 2009)
- IEEE Pervasive Computing 9(2):8-10 (2010)
- Computer 42(3):60-66 (2009)
- (1994)
- IEEE MultiMedia 15(4):76-81 (2008)
- CHI 2008 Proceedings - Learning Support, page 145-154. Florence, Itália, (2008)
- ER Workshops, volume 5232 of Lecture Notes in Computer Science, page 208-217. Springer, (2008)


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