@article{Dietrich:2008:EGA,
	author={C. Dietrich and C. Scheidegger and J. Comba and L. Nedel and C. Silva},
	journal={IEEE Transactions on Visualization and Computer Graphics},
	number=6,
	pages={1651--1658},
	title={Edge Groups: an Approach for Understanding the Mesh Quality of Marching Methods},
	volume=14,
	year=2008,
}