@Article{Ihrke07:ER,
author = {Ivo Ihrke and Gernot Ziegler and Art Tevs and Christian Theobalt and Marcus Magnor and Hans-Peter Seidel},
title = {Eikonal Rendering: Efficient Light Transport in Refractive Objects},
journal = {ACM Trans. on Graphics (SIGGRAPH'07)},
year = 2007,
pages = {59-1 -- 59-9},
}