Sign-on/sign-off/technical fault slide (1983).
Sign-on/sign-off/technical fault slide (1985).
Sign-on/sign-off/technical fault slide (1986, 1).
Sign-on/sign-off/technical fault slide (1986, 2).
Sign-on/sign-off/technical fault slide (1990, 1).
Sign-on/sign-off/technical fault slide (1990, 2).
Sign-on/sign-off/technical fault slide (1991).
Sign-on/sign-off/technical fault slide (1992).
Sign-on/sign-off/technical fault slide (1994).
Sign-on/sign-off/technical fault slide (1996).