@inproceedings{nkd06,
    author = {Nienhaus, Marc and Kirsch, Florian and Döllner, Jürgen},
    booktitle = {4th International Conference on Computer Graphics, Virtual Reality, Visualisation and Interaction in Africa (ACM AFRIGRAPH)},
    title = {Illustrating Design and Spatial Assembly of Interactive CSG},
    year = {2006},
    pages = {91--98},
    publisher = {ACM Press},
    issn = {1-59593-288-7},
}