@article {Bekos20141,
	title = {A note on maximum differential coloring of planar graphs},
	journal = {Journal of Discrete Algorithms},
	volume = {29},
	year = {2014},
	pages = {1 - 7},
	keywords = {[Project Phase 2] Network-based interactive navigation and analysis of large biological datasets},
	issn = {1570-8667},
	doi = {http://dx.doi.org/10.1016/j.jda.2014.06.004},
	url = {http://www.sciencedirect.com/science/article/pii/S1570866714000458},
	author = {M.A. Bekos and M. Kaufmann and S. Kobourov and S. Veeramoni}
}
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