@book{BeckSchoepsGerberetal.2003,
  author    = {Lorenz Friedrich Beck and Julius H. Schoeps and Thomas Gerber and Marco Zabel},
  title     = {Der Soldatenk{\"o}nig : Friedrich Wilhelm I. in seiner Zeit},
  volume    = {12},
  isbn      = {3-935035-43-8},
  year      = {2003},
}