@book{120741,
  author           = {Mahmud, Ushari Ahmad},
  pages            = {118},
  school           = {Washington DC: Georgetown University},
  title            = {Linguistic variation and change in the aspectual system of Juba Arabic},
  year             = {1979},
  inlg             = {English [eng]},
  keywords         = {;nea;sdn;lng;grm;tam;z.x.210f;ths;},
  lgcode           = {Sudanese Creole Arabic [pga] (autotranslated from Maho's coding system)},
  macro_area       = {Africa},
  src              = {eballiso2009, weball},
  subject_headings = {nea, sdn, lng, grm, smn, z.x.211, ths}
}