@article{Ihrke:2006:AGO,
                  author = "I.~Ihrke and M.~Magnor",
                  title = "Adaptive Grid Optical Tomography",
                  journal = "Graphical Models (Special Issue VVG'05)",
		  volume = 68,
		  number = 5,
                  year = 2006,
                  month = sep,
                  pages = {484--495}
}