@article{Ihrke:2007:ERE,
                  author = "I.~Ihrke and G.~Ziegler and A.~Tevs and C.~Theobalt and M.~Magnor and H.-P.~Seidel",
                  title = "Eikonal Rendering: Efficient Light Transport in Refractive Objects",
                  journal = "SIGGRAPH '07: ACM SIGGRAPH 2007 papers",
		  publisher = "ACM Press",
                  year = "2007",
		  pages="59"
}