@Article { ACM SIGGRAPH 2012 Talks,
   title = {Progressive Lightcuts for GPU},
   journal = {ACM SIGGRAPH 2012 Talks},
   year = {2012},
   url = {https://graphics.cg.uni-saarland.de/2012/progressive-lightcuts-for-gpu/},
   ISBN = {978-1-4503-1683-5},
   DOI = {10.1145/2343045.2343047},
   author = {Davidovic, Tomas and Georgiev, Iliyan and Slusallek, Philipp}
}