@article{BullerschenWilhelmi1990,
  author    = {Bullerschen, Klaus-Gerd and Wilhelmi, Herbert},
  title     = {K{\"u}hlung von Lichtbogenofenelektroden durch W{\"a}rmerohre},
  series = {Stahl und Eisen. 110 (1990), H. 8},
  journal   = {Stahl und Eisen. 110 (1990), H. 8},
  isbn      = {0378-7559},
  pages     = {91 -- 98},
  year      = {1990},
  language  = {de}
}
@article{BullerschenWilhelmiWimmer1985,
  author    = {Bullerschen, Klaus-Gerd and Wilhelmi, Herbert and Wimmer, W.},
  title     = {Influence of non-uniform material properties and water cooling on current density and temperature profiles in arc furnace elektrodes},
  series = {Steel Research. 56 (1985), H. 11},
  journal   = {Steel Research. 56 (1985), H. 11},
  isbn      = {0177-4832},
  pages     = {559 -- 564},
  year      = {1985},
  language  = {en}
}
@article{BullerschenWilhelmi1991,
  author    = {Bullerschen, Klaus-Gerd and Wilhelmi, Herbert},
  title     = {Cooling of arc furnace electrodes with heat pipes},
  series = {Chemical Engineering \& Technology. 14 (1991), H. 1},
  journal   = {Chemical Engineering \& Technology. 14 (1991), H. 1},
  isbn      = {0930-7516},
  pages     = {45 -- 53},
  year      = {1991},
  language  = {en}
}