@inproceedings{1385593,
 author = {Terrenghi, Lucia and Kirk, David and Richter, Hendrik and Kr\"{a}mer, Sebastian and Hilliges, Otmar and Butz, Andreas},  title = {Physical handles at the interactive surface: exploring tangibility and its benefits},  booktitle = {AVI '08: Proceedings of the working conference on Advanced visual interfaces},  year = {2008},  isbn = {1-978-60558-141-5},  pages = {138--145},  location = {Napoli, Italy},  doi = {http://doi.acm.org/10.1145/1385569.1385593},
 publisher = {ACM},
 address = {New York, NY, USA},
 }