?url_ver=Z39.88-2004&rft_id=10.1109%2FICSIPA.2013.6708039&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Ali%2C+A.S.O.&rft.aulast=Ali&rft.aufirst=A.S.O.&rft.title=Scale-+invariant+face+recognition+using+triangular+geometrical+model&rft.date=2013&rft.isbn=9781479902675&rft.genre=proceeding