@article {22120,
	title = {Boundary recovery after 3D Delaunay tetrahedralization without adding extra nodes},
	journal = {International Journal for Numerical Methods in Engineering},
	volume = {72},
	number = {6},
	year = {2007},
	pages = {744},
	isbn = {0029-5981},
	author = {Liu, Jianfei and Bin Chen and Yongqiang Chen}
}
