@ARTICLE{Mueller:2009:CoS,
    author = {T. M{\"u}ller and F. Grave},
    title = {{Catalogue of Spacetimes}},
    journal = {arXiv},
    year = {2009},
    volume = {04},
    pages = {4184},
    url = {http://xxx.lanl.gov/abs/0904.4184v1}
}