@mastersthesis{Geiger1999,
  author      = {Markus Geiger},
  title       = {An Explanation of the Geological Map 1:10000 of the Namibian borderland along the Orange River at Zwartbas - Warmbad District - Karas Region - Namibia},
  type        = {masterthesis},
  school      = {Universit{\"a}t W{\"u}rzburg},
  year        = {1999},
}