@article{nd03b,
    author = {Nienhaus, Marc and Döllner, Jürgen},
    journal = {Journal of WSCG},
    title = {Edge-Enhancement - An Algorithm for Real-Time Non-Photorealistic Rendering},
    year = {2003},
    number = {2},
    pages = {346--353},
    volume = {11},
    issn = {1213-6972},
    publisher = {UNION Agency -- Science Press},
}