@article{BoesenbergAlpersBoeckmannetal.1998,
  author    = {B{\"o}senberg, Jens and Alpers, Matthias and B{\"o}ckmann, Christine and J{\"a}ger, Horst and Matthias, Volker and Trickl, Thomas and Wandinger, Ulla and Wiegner, Matthias},
  title     = {A Lidar Network for the Establishment of an Aerosol Climatology},
  year      = {1998},
  language  = {en}
}
@article{WiegnerBoesenbergBoeckmannetal.1999,
  author    = {Wiegner, Matthias and B{\"o}senberg, Jens and B{\"o}ckmann, Christine and Eixmann, Ronald and Freudenthaler, Volker and Mattis, Ina and Trickl, Thomas},
  title     = {Lidar Network to Establish an Aerosol Climatology},
  year      = {1999},
  language  = {en}
}