@inproceedings{med12,
    author = {Limberger, Daniel and Engel, Juri and Döllner, Jürgen},
    booktitle = {Proceedings of the Workshop on Vision, Modeling, and Visualization},
    title = {Single-Pass Rendering of Day and Night Sky Phenomena},
    year = {2012},
    pages = {55--62},
    publisher = {EG},
    isbn = {978-3-905673-95-1},
    doi = {10.2312/PE/VMV/VMV12/055-062},
}