@misc{Kroener2012,
  author    = {Bernhardt R. Kr{\"o}ner},
  title     = {Kr{\"u}ssmann, W., Ernst von Mansfeld (1580-1626); Berlin, Duncker \& Humblot, 2010},
  institution = {Historisches Institut},
  type      = {review},
  year        = {2012},
}