@ARTICLE{Mueller:2010:UM4D,
    author = {T. M{\"u}ller and F. Grave},
    title = {{An updated version of the Motion4D library}},
    journal = {Computer Physics Communications},
    year = {2010},
    volume = {181},
    pages = {703},
    doi = {10.1016/j.cpc.2009.10.021}
}