@article{JansonKersting2011,
  author    = {Svante Janson and G{\"o}tz Kersting},
  title     = {On the total external length of the Kingman coalescent},
  journal   = {Electronic journal of probability},
  volume    = {16},
  pages     = {2203 -- 2218},
  doi       = {10.1214/EJP.v16-955},
  year      = {2011},
}