@article{11344,
      author       = "Industr.Res.Centre",
      title        = "Geological map of Libya : 1:250 000 : Sheet: Al Baydá
                      (NI34-15), Sabhá (NG 33-2), Wádí Bú ash Shaykh (NH
                      33-12)  ",
      year         = "1974",
}