none 10.1049/el:19931424 Institution of Engineering and Technology (IET) Institution of Engineering and Technology (IET) 265 26692206 3817 2024111206173000800 10.1049 2024-11-12T12:07:59Z 2007-03-27T16:03:29Z 0 Electronics Letters Electron. Lett. (UK) 0013-5194 1350-911X 11 25 1993 29 24 K.P. Lam Computing Laboratory, University of Kent at Canterbury, Canterbury, WKent, UK E. Horne Electronic Engineering Laboratory, University of Kent at Canterbury, Canterbury, WKent, UK 11 25 1993 2130 2131 1 10.1049/el:19931424 10.1049/el:19931424 http://digital-library.theiet.org/doi/10.1049/el%3A19931424 https://digital-library.theiet.org/content/journals/10.1049/el_19931424?crawler=true&mimetype=application/pdf Lam 29 1702 Hand, D.J.: ‘Discrimination and classification’, (John Wiley & Sons 1981) Toussaint IT-20 472 1974 Ulmann C-18 1135 1969 Friedman C-24 1000 1975 Loftsgaarden 36 1049