@inproceedings{bath2021colier,
    author = {Bath, Ulrike and Shekhar, Sumit and Döllner, Jürgen and Trapp, Matthias},
    booktitle = {International Conference on CyberWorlds (CW2021)},
    title = {COLiER: Collaborative Editing of Raster Images},
    year = {2021},
    note = {to appear},
}