S D : space design.

1978 Jan.-Apr.; 1978 May-Aug.; 1978 Sept.-Dec.; 1979 Jan.-Apr.; 1979 May-Aug.; 1979 Sept.-Dec.; 1980 Jan.-Apr.; 1980 May-Aug.; 1980 Sept.-Dec.; 1981 Jan.-Apr.; 1981 May-Aug.; 1981 Sept.-Dec.; 1982 Jan.-Apr.; 1982 May-Aug.; 1982 Sept.-Dec.; 1983 Jan.-Feb.; 1983 May-June; 1983 Mar.-Apr.; 1983 July-Aug.; 1983 Sept.-Oct.; 1983 Nov.-Dec.; 1984 Jan.-Feb.; 1984 Mar.-Apr.; 1984 May-Aug.; 1984 Sept.-Oct.; 1984 Nov.-Dec.; 1985 Jan.-Feb.; 1985 Mar.-Apr.; 1985 May-June; 1985 July-Sept.; 1985 Oct.-Dec.; 1986 Jan.-Mar.; 1986 Apr.-June; 1986 July-Sept.; 1986 Oct.-Dec.; 1987 Jan.-Mar.; 1987 Apr.-June; 1987 July-Sept.; 1987 Oct.-Dec.; 1988 Jan.-Mar.; 1988 Apr.-June; 1988 July-Sept.; 1988 Oct.-Dec.; 1989 Jan.-Mar.; 1989 Apr.-June; 1989 July-Sept.; 1989 Oct.-Dec.; 1990 Jan.-Mar.; 1990 Apr.-June; 1990 July-Sept.; 1990 Oct.-Dec.; 1991 Jan.-Mar.; 1991 Apr.-June; 1991 July-Sept.; 1991 Oct.-Dec.; 1992 Jan.-Mar.; 1992 Apr.-June; 1992 July-Sept.; 1992 Oct.-Dec.; 1993 Jan.-Mar.; 1993 Apr.-June; 1993 July-Sept.; 1993 Oct.-Dec.; 1994 no.1-3; 1994 no.4-6; 1994 no.7-9; 1994 no.10-12; 1995 no.1-3; 1995 no.4-6; 1995 no.7-9; 1995 no.10-12; 1996 no.1-3; 1996 no.4-6; 1996 no.7-9; 1996 no.10-12; 1997 no.1-3; 1997 no.4-6; 1997 no.7-9; 1997 no.10-12; 1998 no.1-3; 1998 no.4-6; 1998 no.7-9; 1998 no.10-12; 1999 no.1-3; 1999 no.4-6; 1999 no.7-9; 1999 no.10-12; 2000 no.1-3; 2000 no.4-6; 2000 no.7-9; 2000 no.10-12