@article{kniep2009visualizationlightscenes,
    author = {Kniep, Stefan and Haering, {S.} and Magnor, Marcus},
    title = {Efficient and Accurate Visualization of Complex Light Sources},
    volume = {28},
    number = {4},
    journal = {Computer Graphics Forum (Proc. of Eurographics)},
    pages = {1073--1081},
    month = jun,
    year = {2009}
}