@inproceedings{XSSGS07,
 author = {Xin, Min and Sharlin, Ehud and Sousa, Mario Costa and Greenberg, Saul and Samavati, Faramarz},
 title = {Purple Crayon: From Sketches to Interactive Environment},
 booktitle = {Proceedings of the International Conference on Advances in Computer Entertainment Technology},
 series = {ACE '07},
 month = {Jun 13–15},
 year = {2007},
 isbn = {978-1-59593-640-0},
 location = {Salzburg, Austria},
 pages = {208-211},
 numpages = {4},
 url = {http://doi.acm.org/10.1145/1255047.1255091},
 doi = {10.1145/1255047.1255091},
 acmid = {1255091},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {electronic entertainment, mixed reality, physical interaction, sketch-based interfaces, social interaction, tangible interfaces},
}