@article{MarcoCGF2019PTPB, 
    author = {Marco, Julio and Guill\'{e}n, Ib\'{o}n and Jarosz, Wojciech and Gutierrez, Diego and Jarabo, Adrian}, 
    title = {Progressive Transient Photon Beams}, 
    journal = {Computer Graphics Forum},
    volume = {38},
    number = {6},
    pages = {19--30},
    year = {2019},
    doi = {10.1111/cgf.13600},
}