@article{kipfer:2003:parttrace,
    author    = {Peter Kipfer and Frank Reck and G\"unther Greiner},
    title     = {Local exact particle tracing on unstructured grids},
    journal   = {Computer Graphics Forum},
    volume    = {22},
    number    = {2},
    year      = {2003},
    pages     = {133-142},
    publisher = {Blackwell},
 }