Xian zheng shi dai.

v.4 no.1-2 1971-1972; v.4 no.3-4 1974 Nov; v.5 no.1 1974 Aug; v.1-2 1975-1977; v.3 no.1-4 1978; v.3-4 (1977-79); v.4 no.1-4 1978-1979; v.5 (1979-80); v.5 no.1-4 1979-1980; v.6 no.1-4 1980-1981; v.6 (1981); v.7 (1981-82); v.7-8 no.1-4 1981-1983; v.8-10 (1982-85); v.9-10 no.1-4 1983-1985; v.11 no.1-4 1986; v.11-12 1985/86-1986/87; v.11-12 (1985-87); v.12 no.1-4 1986-1987; v.13 no.1-4 1987-1988; v.13-14 (1987-89); v.14 no.1-4 1988-1989; v.14:no.4 1989; v.15 no.1-4 1989-1990; v.15-16 1989/90-1990/91; v.15-16 (1989-91); v.16 1990-1991; v.17 1991-1992; v.18 1992-1993; v.19 1993-1994; v.19-20 (1993-95); v.20 1994-1995; v.21 1995-1996; v.21:1-3,v.22 (1995-97); v.22 1996-1997; v.23 1997; v.23 (1997-98); v.24 1998; v.24 (1998-99); v.25 1999; v.25 (1999-2000); v.26 2000; v.27 2001-2002; v.28 2002-2003; v.29 2003-2004; v.30 2004-2005; v.31 no.1-3 2005-2006; v.32 no.1, 3-4 2006-2007