?url_ver=Z39.88-2004&rft_id=10.1109%2FICSGRC.2013.6653269&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=M.R.M.&rft.aulast=Mokhtar&rft.au=Mokhtar%2C+M.R.M.&rft.isbn=9781479905522&rft.date=2013&rft.title=Observing+landslide+occurrence+by+GIS+approach&rft.genre=proceeding