Britsch, M. Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;
Schmelling, M. Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;
LHCb Collaboration, Aaij, R., Abellán Beteta, C., Adametz, A., Adeva, B., Adinolfi, M., et al. (2013). Search for Rare B-(s)(0) -> mu(+)mu(-)mu(+)mu(-) Decays. Physical Review Letters, 110(21): 211801, pp. 1-8. doi:10.1103/PhysRevLett.110.211801.