@article{263644,
      note = {Cover title.},
      author = {Walker, Bruce M. and Talib, Majed Ben. and Komi, Mohamed  El.},
      url = {http://library.usi.edu/record/263644},
      title = {Geology and mineralization at the Umm Shat Sharq A gold  prospect, Ishmas Gold District, Kingdom of Saudi Arabia  [microform] /},
      publisher = {U.S. Geological Survey,},
      recid = {263644},
      pages = {ii, 60 p. :},
      address = {[Reston, VA] :},
      year = {1990},
}