Continuum.

v.41-42 1976/78; v.41-44 (1976-80); v.43-44 1978/80; v.45 no.1 1980 Oct; v.45 (1981); v.45 no.2 1981 Jan; v.45 no.3 1981 Apr; v.45 no.4 1981 Jul; v.46 no.1 1981 Oct; v.45-46 (Oct 1980-July 1982); v.46 no.2 1982 Jan; v.46 no.3 1982 Apr; v.46 no.4 1982 Jul; v.47 no.1 1982 Oct; v.47 1982/83; v.47 no.2 1983 Jan; v.47 no.3 1983 Apr; v.47 no.4 1983 Jul; v.47-48 (Oct 1982-Sept 1984); v.48 1984; v.48 no.1 1984 Jan; v.48 no.2 1984 May; v.48 no.3 1984 Sep; v.49 1985; v.49 no.1 1985 Winter; v.49 no.2 1985 Spring; v.49 no.3 1985 Autumn; v.49-50 (winter 1985-autumn 1986); v.50 1986; v.50 no.1 1986 Winter; v.50 no.2 1986 Spring; v.50 no.3 1986 Autumn