@inproceedings {4123,
	title = {symTone: Two-Handed Manipulation of Tone Reproduction Curves},
	booktitle = {Graphics Interface},
	year = {2006},
	url = {https://dl.acm.org/citation.cfm?id=1143082},
	author = {Celine Latulipe and Ian E. Bell and Charles Clarke and Craig S. Kaplan}
}
