@Article{SM_2002_8108,
  author = {Yamany S.M. and Farag A.A.},
 journal = {PAMI},
 title = {Surface signatures: {A}n orientation independent free-form surface representation scheme for the purpose of objects registration and matching},
 year = {2002},
 title_with_no_special_chars = {Surface signatures An orientation independent freeform surface representation scheme for the purpose of objects registration and matching}
}