@article{HartmannV{\"o}lker2011,
  author    = {Hartmann, J{\"u}rgen and V{\"o}lker, S.},
  title     = {Thermal management of light sources},
  journal   = {International Journal of Thermophysics},
  number    = {32},
  institution = {Fakult{\"a}t Elektrotechnik},
  pages     = {513 -- 522},
  year      = {2011},
  language  = {en}
}